04.11.2017 Views

Nomenclature-Solution-for-WEB

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>Solution</strong> of <strong>Nomenclature</strong><br />

Hydrocarbon<br />

1 2,2,4-Trimethylpentane<br />

2 3-Ethyl-2-methylpentane<br />

3 3,3-Dimethylbutene<br />

4 2-Methylbuta-1,3-diene<br />

5 2-Ethyl-3-methylbuta-1,3-diene<br />

6 Hex – 1 – ene – 4 – yne<br />

7 3-Methylbutyne<br />

8 2,2,4,4-Tetramethylpentane<br />

9 2,2 – Dimethylpropane<br />

10 3,3-Diethylpentane<br />

11 But-1-en-3-yne<br />

12 Hex-4-enyne<br />

13 Hex-1-en-4-yne<br />

14 Penta-2,3-diene<br />

15 2-Methylbuta-1,3-diene<br />

16 2 – Methylpenta – 1, 4 – diene<br />

17 3-Methylhepta-1,3,5-triene<br />

18 3-Methylhexa1,5-diyne<br />

Hydrocarbon Branch in<br />

Branch<br />

1 2, 3, 5 – Trimethyl – 4 - propylheptane<br />

2 5–(1, 1–Dimethylpropyl)–5–(2–methyl–<br />

propyl)nonane<br />

3 4-Ethyl-3,5,6-trimethyloctane<br />

4 2,3-Dimethyl-4-propyloctane<br />

5 4-(1,2-Dimethyl)-3-ethyl-4,7-dimethyldecane<br />

6 4,4-bis-(1-Methylethyl)heptane<br />

7 3-(1,1-Dimethylethyl)-7-(2-methylpropyl)decane<br />

8 3, 7 – Diethyl – 2, 2 – dimethyl – 4 –<br />

propylnonane<br />

9 2, 2 – Dimethyl – 5 – (1, 1, 2 – trimethylpropyl)<br />

nonane<br />

Compounds With One<br />

Functional Group<br />

1 2,2-Dichlorobutane<br />

2 1-Bromo-3-chloro-2-iodopropane<br />

3 1,2-Dichlorobutane<br />

4 2 – Methylpropan – 1 – ol<br />

5 3 – Methylbutan – 2 – ol<br />

6 2-Methylpropan-2-ol<br />

7 2-Methyl-propane1,3-diol<br />

8 Propane-1,2,3-triol<br />

9 Methoxymethane<br />

10 Methoxyethane<br />

11 2 – Methoxybutane<br />

12 2-Methoxypropane<br />

13 2-Ethoxy-3-methoxybutane<br />

14 1,2-Dimethoxyethane<br />

15 2-Methylbutanal<br />

`16 Ethane1,2-dial<br />

17 Propan2-one<br />

18 Butan-2-one<br />

19 Pentane – 2, 4 – dione<br />

20 2-Methylpentane-2,3-dione<br />

21 2 – Methylpropanoic acid<br />

22 2-Methylbutanoic acid<br />

23 2,2-Dimethylpropanoic acid<br />

24 2,4-Dimethylhexanoic acid<br />

25 Ethane-1,2-dioic acid<br />

26 Butane-1,4-dioic acid<br />

27 Butane-1,2-dinitrile<br />

28 Butane-1,4-diamide<br />

29 2-Methylbutane-1,4-dial<br />

30 N,N-Dimethylmethanamine<br />

31 3-Methylpropanamine<br />

32 N-Methylethanamine<br />

33 Bis-(N-methyl)methanamine<br />

34 N,N-dimethybutan-2-amine<br />

35 2-Methylpropanthiol<br />

36 Ethanoic anhydride<br />

37 Ethanoicpropanoic anhydride<br />

38 Ethylethanoate<br />

39 Methylmethanoate<br />

40 Methylethanoate<br />

41 Ethylmethanoate<br />

42 Isopropyl-3-methylbutanoate<br />

Polyfunctional Group<br />

1 3-Bromopropanal<br />

2 But – 3 – enoic acid<br />

3 3 - Hydroxybutanal<br />

4 3 - Chlorobutanamide<br />

5 1-Chloropropan-2-one<br />

6 3-Hydroxybutanoic acid<br />

7 4-Ketopentanal<br />

8 3- Bromopropanoylbromide<br />

9 Ethyl-3-ketobutanoate<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 1


<strong>Solution</strong> of <strong>Nomenclature</strong><br />

10 Ethyl-3-aminobutanoate<br />

11 3-Formylbutanoic acid<br />

12 Ethylbut-2-enoate<br />

13 1 – Hydroxy – 4 – methylpentan – 3 – one<br />

14 4 – Hydroxy – 2 – methylbutanoic acid<br />

15 Hex – 3 – ene – 1,2 – dioic acid<br />

16 6-Amino-5-chloro-4-oxoheptanoic acid<br />

17 Methyl-6-cyano-4-methoxyhexanoate<br />

18 2-Amino-3-hydroxy-4-oxopentanoic acid<br />

19 5-Formyl-3-oxopentanoic acid<br />

20 3-Hydroxy-N,N-dimethylbutanamide<br />

21 4 – Bromo – 3 – chloro – 6 – nitro octane<br />

22 3 – (1 – Chloroethyl) – 4 – methyl – 4 –<br />

phenylpentan – 2 – one<br />

23 Ethyl – 3 – hydroxybutanoate<br />

24 3 – Methoxypentanoylchloride<br />

25 4 – (2– Butenyl) – non – 6 – enoic acid<br />

26 (1 – Methylethyl) propanoate or<br />

Isopropylpropanoate<br />

27 1-Formylmethanoic acid<br />

BondLine<br />

1 3-Methylhexane<br />

2 3,3,4-Trimethyloctane<br />

3 2,2,6,6-Tetramethyloctane<br />

4 1-Cyclopropyl-3-methylpentene<br />

5 3, 3 – Diethylpentane<br />

6 5-(1,2-Dimethylpropyl)decane<br />

7 5-Butyldec-3-ene<br />

8 4-(1-Methylethyl)-oct-2-ene<br />

9 5 – (1, 2 – Dimethyl propyl) nonane<br />

10 5-Ethyl-4,6-dimethylocta-1,4-diene<br />

11 3,4-Dipropylhepta-1,3,5-triene<br />

12 5,6-Diethyl-3-methyldec-4-ene<br />

13 7 – Ethyl – 2, 4, 5, 6 – tetramethyldec – 1, 8 –<br />

diene<br />

14 3,7-Dimethylocta-1,3,6-triene<br />

15 3-Methylhexa-1,3,5-triene<br />

16 Hexa-2,4-diyne<br />

17 3,3-Dimethylpent-1-ene-4-yne<br />

18 Oct-1-en-4-yne<br />

19 4-Ethyl-2-cyclopropylhexene<br />

20 4-Ethyl-hex-4-ene-2-ol<br />

21 2-(2-Chloropropyl)hexa-1,3,5-triene<br />

22 1-Chloro-3-ethyl-2-pentanone<br />

23 3,4-Dimethylpent-1-en-3-ol<br />

24 3-Hydroxy-3-methyl-butanoic acid<br />

25 3,3,5-Trimethyl-hex-1-en-2-ol<br />

26 Ethane-1,2-dioic acid<br />

27 Propanoic Anhydride<br />

28 2 – Ethyl – 3 – methyl pent – 2 – en – 1 – al<br />

29 5 – Ethyl – 4 – methyl non – 4 – enoic acid<br />

30 5 – Ethyl – 3 – methyl octanoic acid<br />

31 3-Hydroxy-5-ketohexanoic acid<br />

32 5 – Methyl – 3, 6 – octadien – 4 – ol<br />

33 3,7-Dimethylocta-2,6-dienal<br />

34 2,6-Dimethylhepta-2,5-dienoic acid<br />

35 Ethyl-2-cyanopropanoate<br />

36 N-Ethyl-N-methyl-2-aminopropane<br />

37 3(N,N-Dimethyl)-3-ethylpentanamine<br />

38 N,N-Diemethylbutanamide<br />

AliCyclic Compound<br />

1 Cyclododecane<br />

2 Methylcyclohexane<br />

3 Ethylcyclopentane<br />

4 1-Ethyl-5-methylcyclohexane<br />

5 (2-Propyl)cyclohexane<br />

6 1, 3, 5 – Tris (hexyl) cyclohexane<br />

7 1-Ethyl-2-methyl-5-propylcyclohexane<br />

8 Cyclohexylcyclohexane<br />

9 1,2-Dicyclohexylethane<br />

10 Cyclopropylpropane<br />

11 Cyclobutylbutane<br />

12 1 – Cyclobutylpentane<br />

13 2 – Cyclopropylbutane<br />

14 3 – Cyclobutylpentane<br />

15 (2 – Butyl) cyclopentane<br />

16 1, 3 – Dicyclohexylpropane<br />

17 Dicyclopropyl methane<br />

18 1, 1, 2, 4 – Tetraethyl – 3 – methyl cyclobutane<br />

19 3-Methyl-1-cyclohexyne<br />

20 1-Cyclohexylethene<br />

21 3-Ethylcyclopent-1-ene<br />

22 4 – Cyclobutylbut – 1 – ene<br />

23 2-Ethenyl-3-methylcyclohexa-1,3-diene<br />

24 4-Cyclohexylbut-3-en-2-ol<br />

25 3-Methylcyclopentan-1-ol<br />

26 3-Aminocyclohexanone<br />

27 4-Oxocyclohexan-1-carboxylic acid<br />

28 5-Ethyl-6-methylcyclohex-2-en-1-one<br />

29 2 – Cyclohexyl ethanoic acid<br />

30 3 – Cyclohexyl butan – 2 – ol<br />

31 Ethyl cyclohexyl methanoate<br />

32 5, 6 – Dimethyl cyclohex – 2 – en – 1 – one<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 2


<strong>Solution</strong> of <strong>Nomenclature</strong><br />

33 2, 3 – Dimethyl cyclohexanone<br />

34 3 – Cyclopropyl – prop – 2 – enoic acid<br />

35 1 – Cyclohexyl pent – 1 – en – 3 – one<br />

36 N – Cyclohexyl Propanamide<br />

37 3-Cyclopropyl-3-methylbutanal<br />

38 2-Carboxy-5-<strong>for</strong>myl-cyclohexanone<br />

39 3-Bromo-4,4-dimethylcyclohexanol<br />

40 Propylcyclopentylmethanoate<br />

41 2-Bromo-6-methylcyclohexanecarbaldehyde<br />

42 3 – Ethoxy carbonyl cyclohexane carboxylic<br />

acid<br />

43 5 – Bromo – 2, 2 – dimethyl cyclohexanone<br />

44 2 – Isopropyl – 4 – methyl cyclohexanol<br />

45 1 – (2 – Butenyl) cyclohexane<br />

46 Methyl (2 – hydroxyl cyclopentane) carboxylate<br />

47 1-(4-Hydroxycyclohexyl)butane-1,4-diol<br />

48 Isopropyl – 3 – hydroxycyclohexane<br />

carboxylate<br />

Aromatic<br />

1 Ethoxybenzene<br />

2 Phenoxybenzene<br />

3 4-Hydroxybenzaldehyde<br />

4 3-Phenylpropanal<br />

5 1-Phenylethan-1-one (Acetophenone)<br />

6 2,4-Dinitrophenol<br />

7 2,4,6-Trinitrophenol<br />

8 1,3,5-Trinitrobenzene<br />

9 2,4,6-Trinitrotoluene<br />

10 1,2-Benzenedicarboxylic acid<br />

11 N-Methylbenzenamine<br />

N-Methylaniline<br />

12 2-Phenylethanamine<br />

13 Benzoic anhydride<br />

14 4-Methylbenzenesulphonic acid<br />

OR, 4-toluenesulphonic acid<br />

15 N-Methylbenzanamide<br />

16 2-Chloro-4-methoxytoluene<br />

17 4-Ethyl-1-fluoro-2-nitrobenzene<br />

18 4-Hydroxy-3-methylbenzaldehyde<br />

19 2,3-Dibromo-1-phenylpentane<br />

20 Methyl – 2(chlorocarbonyl) benzoate<br />

21 1, 3 – bis(Bromomethyl) benzene<br />

22 N – Ethyl – N – phenyl butanamide<br />

23 3-Phenylbutanal<br />

24 3-Phenylprop-2-enoic acid<br />

25 2 – ( 4 – chlorophenyl) Propanoic acid<br />

26 Ethyl – 2 – bromo – 2(3 – nitrophenyl)<br />

propanoate<br />

Bicyclo compund<br />

1 Bicyclo[3.1.0]hexane<br />

2 Bicyclo[3.3.0]octane<br />

3 Bicyclo[4.2.0]octane<br />

4 8-Methylbicyclo[3.2.1]octane<br />

5 Bicyclo[2.2.2]octane<br />

6 Bicyclo[1.1.1]pentane<br />

8 Bicyclo[2.2.1]heptane<br />

9 Bicyclo[2.1.1]hexane<br />

10 Bicyclo[2.1.1]hept-2-ene<br />

11 Bicyclo[3.1.1]hept-2-ene<br />

12 1,7,7-Trimethylbicyclo[2.1.1]hept-2-one<br />

13 Bicyclo [3.2.2] nonane<br />

14 Bicyclo [2.2.2] octa – 2, 6 – dione<br />

15 Bicyclo [2.2.2] oct – 5 – ene – 2 – nitrile<br />

16 7, 7 – Dimethyl bicycle [2.2.1] heptanes<br />

17 2, 7, 7 – Trimethylbicylo [3.1..1] hept – 2 – ene<br />

18 4-Chloro-3-ethyl-1,8-<br />

dimethylbicyclo[3.2.1]octane<br />

19 1 – Ethylbicyclo [2.2.1] heptane<br />

20 3, 3 – Dimethylbicyclohept – 6 – ene<br />

21 2, 2, 4, 4 – Tetramethyl bicyclo [1.1.0] butane<br />

22 1 – Methylbicyclo [2.2.1] hept – 5 – en – 2 – ol<br />

23 6, 6 – Dimethylbricyclo [3.1.1] hept – 3 – en – 2<br />

–one<br />

Spiro<br />

1 Spiro[3.3]heptane<br />

2 Spiro[2.4]heptane<br />

3 Spiro[3.5]nonane<br />

4 Spiro [4.5] deca – 1, 6 – diene<br />

5 2 – Methyl spiro [4.5] deca -1, 6 – diene<br />

6 1 – Chloro spiro[3.4] octene<br />

Tercyclo<br />

1 1, 1’, 2’, 1’’- Tercyclobutane<br />

2 1, 1’, 4’, 1’’ – Terphenyl<br />

3 1, 1’, 2’, 1’’ – Tercyclopropane<br />

Special Case<br />

1 Butane-1,2,4-tricarbonitrile<br />

2 Pentane-1,3,5-tricarboxylic acid<br />

3 Propane-1,2,3-tricarbaldehyde<br />

4 3-(Cyanomethyl)hexane-1,6-dinitrile<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 3


<strong>Solution</strong> of <strong>Nomenclature</strong><br />

5 3-(Carboxymethyl)hexane-1,6-dioic acid<br />

6 3,3-bis(Formyl methyl)hexane-1,6-dial<br />

7 3,3-bis(Carbamoyl methyl)pentane-1,5-diamide<br />

8 2-Hydroxy-1,2,3-propane tricarboxylic acid<br />

9 1, 3 – Dichloro – 2, 2 – bis (chloromethyl)<br />

propane<br />

Harder Problems<br />

1 2-Chloromethyl-5-<strong>for</strong>myl-3-hydroxymethyl-2-<br />

N,N-dimethylamino-6-methoxy-4-nitrosonon-8-<br />

en-1-nitrile<br />

2 1,3,5-Tridecylcyclohexane<br />

3 Ethyl – 2 – cyano – 3 – oxo – 4, 6 – dimethyl – 5<br />

– cyclopropylhept – 5 – ene – 1 – oate<br />

4 2 – Amido – 2 – chlorocarbonyl – 5 – (N – ethyl,<br />

N – methyl) amino - 6 – methylene – 9 –<br />

propoxycarbonyldec -4, 7 – diene – 1 – oic acid<br />

5 2,2-bis(2-Hydroxyethoxy)ethanoic acid<br />

6 2,2-bis(4-Chlorophenyl)-1,1,1-trichloroethane<br />

7 1, 1, 1 – Trichloro – 2, 2 – diphenylethane<br />

Write the structure of the<br />

following compounds whose<br />

IUPAC names are given as<br />

under<br />

Soln. 1<br />

But – 2 – ene<br />

CH3-CH=CH-CH3<br />

Soln. 2<br />

1, 2, 3 – Propanetriol<br />

Soln. 3<br />

Ethanoyl chloride<br />

CH 3 COCl<br />

Soln. 4<br />

2, 3 - Pentadione<br />

CH 3<br />

-C-C-CH 2<br />

-CH 3<br />

|| ||<br />

O O<br />

Soln. 5<br />

Octa – 3, 5 – diene<br />

CH 3 -CH 2 -CH=CH-CH=CH-CH 2 -CH 3<br />

Soln. 6<br />

4 – Hydroxyl – 3 – pentenoic acid<br />

CH 3<br />

-C=CH-CH-COOH<br />

|<br />

OH<br />

Soln. 7<br />

2, 3 – Dimethylbutan – 2 – ol<br />

OH<br />

|<br />

CH 3<br />

-CH-C-CH<br />

| | 3<br />

CH 3 CH 3<br />

Soln. 8<br />

2, 2 – Dimethylpentanal<br />

CH 3<br />

|<br />

CH 3<br />

-CH 2<br />

-CH 2<br />

-C-CHO<br />

|<br />

CH 3<br />

Soln. 9<br />

2, 7 – Dimethylocta – 2, 4, 6 – triene<br />

CH 3<br />

C=CH-CH=CH-CH=C-CH | 3<br />

|<br />

CH 3<br />

CH 3<br />

Give the IUPAC name of the<br />

following compounds<br />

Soln. 1<br />

Acetylene<br />

CHCH<br />

Ethyne<br />

Soln. 2<br />

Methylacetylene<br />

CH 3 CCH<br />

Propyne<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 4


|<br />

|<br />

<strong>Solution</strong> of <strong>Nomenclature</strong><br />

Soln. 3<br />

Dimethylacetylene<br />

CH 3 CCCH 3<br />

Soln. 4<br />

Isobutane<br />

CH 3<br />

|<br />

CH 3<br />

CHCH 3<br />

2-Methylpropane<br />

Soln. 5<br />

Isopentane<br />

CH 3<br />

- CH - CH 2<br />

- CH 3<br />

|<br />

CH 3<br />

2-Methylbutnae<br />

Soln. 6<br />

Neopentane<br />

CH 3<br />

|<br />

CH 3<br />

C CH 3<br />

|<br />

CH 3<br />

Soln. 9<br />

Ethylidene bromide<br />

CH 3<br />

CH<br />

Br<br />

Br<br />

1,1-Dibromoethane<br />

Soln. 10<br />

Vinyl chloride<br />

CH 2 =CH-Cl<br />

Chloroethene<br />

Soln. 11<br />

Allyl bromide<br />

CH 2 = CH – CH 2 - Br<br />

3-Bromopropene<br />

Soln. 12<br />

Benzyl alcohol<br />

C 6 H 5 CH 2 OH<br />

Phenylmethanol<br />

Soln. 13<br />

Benzylidene chloride<br />

C 6<br />

H 5<br />

CH<br />

Br<br />

Br<br />

1,1-Dibromophenylmethane<br />

2,2-Dimethylpropane<br />

Soln. 7<br />

Neohexane<br />

CH 3<br />

CH 3<br />

- C - CH 2<br />

CH 3<br />

CH 3<br />

2,2-demethylbutane<br />

Soln. 8<br />

Ethylene bromide<br />

CH 2<br />

-CH | | 2<br />

Br Br<br />

1,2-Dibromoethane<br />

Soln. 14<br />

Glycol<br />

CH 2<br />

-CH 2 | |<br />

OH OH<br />

Ethane-1,2-diol<br />

Soln. 15<br />

Glycerol<br />

H - C - C - C - H<br />

OH OH OH<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 5<br />

H<br />

H H<br />

Propane – 1,2,3 - triol


<strong>Solution</strong> of <strong>Nomenclature</strong><br />

Soln. 16<br />

ter-butyl alcohol<br />

CH 3<br />

|<br />

CH 3<br />

-C-CH<br />

| 3<br />

OH<br />

2-Methypropan-2-ol<br />

Soln. 17<br />

sec-Butyl alcohol<br />

CH 3<br />

-CH-CH 2<br />

CH 3<br />

|<br />

OH<br />

Butan-2-ol<br />

Soln. 18<br />

Formaldehyde<br />

HCHO<br />

Methanal<br />

Soln. 19<br />

Acetaldehyde<br />

CH 3 CHO<br />

Ethanal<br />

Soln. 20<br />

Acetone<br />

CH 3 COCH 3<br />

Propan-2-one<br />

Soln. 21<br />

Glyoxal<br />

O = C - C = O<br />

| |<br />

H H<br />

Ethane-1,2-dial<br />

Soln. 22<br />

Methyl glyoxal<br />

CH 3 COCHO<br />

2-Ketopropanal<br />

Soln. 23<br />

Mesitylene<br />

CH 3<br />

H 3 C<br />

CH 3<br />

1,3,5-trimethybenzene<br />

Soln. 24<br />

Formic acid<br />

HCOOH<br />

Methanoic acid<br />

Soln. 25<br />

Acetic acid<br />

CH 3 COOH<br />

Ethanoic Acid<br />

Soln. 26<br />

Oxalic acid<br />

HO - C - C - OH<br />

|| ||<br />

O O<br />

Ethane-1,2-dioic acid<br />

Soln. 27<br />

Formamide<br />

HCONH 2<br />

Methanamide<br />

Soln. 28<br />

Acetamide<br />

CH 3 CONH 2<br />

Ethanamide<br />

Soln. 29<br />

Ethylacetate<br />

CH 3 COOC 2 H 5<br />

Ethylethanoate<br />

Soln. 30<br />

Acetyl chloride<br />

CH 3 COCl<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 6


<strong>Solution</strong> of <strong>Nomenclature</strong><br />

Ethanoyl Chloride<br />

Soln. 2(b)<br />

Soln. 31<br />

TNT<br />

O<br />

O -<br />

N +<br />

CH 3 O<br />

N + O -<br />

2-bromo-5-hydroxy benzonitrile (as CN – group gets<br />

the top priority).<br />

Soln. 3(c)<br />

COCl<br />

|<br />

O -<br />

2,4,6-Trinitrotoluene<br />

N +<br />

O<br />

IUPAC name of is<br />

chloride<br />

Soln. 4(d)<br />

benzene carbonyl<br />

Soln. 32<br />

DDT<br />

Cl CH - CCl 3<br />

CH 3<br />

- CH - CH 2<br />

- CH 2<br />

- CH 3<br />

|<br />

CH isopropyl group<br />

3<br />

Soln. 5(b)<br />

Cl<br />

2,2-bis(4-Chlorophenyl)-1,1,1-trichloroethane<br />

Soln. 33<br />

Isobutyric acid<br />

CH 3<br />

CHCOOH<br />

|<br />

CH 3<br />

2-Methylpropanoic acid<br />

Soln. 34<br />

Methy vinyl ketone<br />

CH 3 COCH=CH 2<br />

But-3-en-2-one<br />

IIT Advanced<br />

Soln. 1<br />

Butane dioic acid or 1, 4-Butane dioic acid<br />

H<br />

|<br />

H 2<br />

C = CH - C - CH 3<br />

1<br />

3<br />

2 | 4<br />

CH 3<br />

3-methyl-1-butene<br />

Soln. 6(c)<br />

CH 3<br />

|<br />

H 3<br />

C - C - CH = CH 2<br />

| 2<br />

4<br />

3 1<br />

CH 3<br />

3, 3-dimethyl-1-butene<br />

Soln. 7<br />

(i) Pent-2-en-1 oic acid or 2-pentenoic acid<br />

(ii) 3-(N, N-dimethyl amino) 3-methyl pentane or 3-<br />

(N, N-Dimethyl)-3 methyl-3-pentamine.<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 7


<strong>Solution</strong> of <strong>Nomenclature</strong><br />

Soln. 1(d)<br />

IIT Mains/AIEEE<br />

CH 3<br />

CHCHCH 3<br />

H 3<br />

C<br />

OH<br />

Correct IUPAC<br />

3 – methyl – 2 – butanol<br />

Soln. 2(b)<br />

The IUPAC name of CH 3 COCH(CH 3 ) 2 is<br />

3 – methyl butan – 2 – one<br />

Soln. 3(c)<br />

Soln. 7(b)<br />

As about the double bond, two geometrical isomers<br />

are possible and the compound is having one chiral<br />

carbon. So there are four stereo isomers.<br />

Soln. 1(b)<br />

1<br />

3 4<br />

CH 3<br />

- C = CH - CH<br />

2<br />

3<br />

|<br />

CH 3<br />

2-Methyl-2-butene<br />

Soln. 2(b)<br />

AIPMT<br />

The IUPAC name<br />

HO<br />

is<br />

5<br />

3<br />

4<br />

2 1<br />

CH 3<br />

- CH - CH = C - CHO<br />

| |<br />

OH CH 3<br />

3, 3 – dimethyl – 1 – cyclohexanol<br />

Soln. 4(c)<br />

Cl<br />

4-Hydroxy-2-methylpent-2-en-1-al<br />

Soln. 3(b)<br />

When many substituents are present, the numbering<br />

is done from the end where the sum of locants is the<br />

lowest (lowest sum rule)<br />

The IUPAC name<br />

Br<br />

is<br />

7 6 5 4 3 2 1<br />

H 3<br />

C - CH - CH - CH 2<br />

- CH 2<br />

- CH - CH 3<br />

| |<br />

|<br />

CH 3<br />

CH 3<br />

CH 3<br />

3 – bromo – 1 – chlorocyclohexane<br />

Soln. 5(c)<br />

The IUPAC name of<br />

Is<br />

3 – ethyl – 4, 4 – dimethyl heptane<br />

Soln. 6(b)<br />

– SO 3 H, - COOH, - CONH 2 , - CHO<br />

2, 5, 6-trimethylheptane<br />

2 + 5 +6 = 13<br />

1<br />

2 3 4 5 6 7<br />

H 3<br />

C - CH - CH - CH 2<br />

- CH 2<br />

- CH - CH 3<br />

| |<br />

|<br />

CH 3<br />

CH 3<br />

CH 3<br />

2 + 3 + 6 = 11<br />

2, 3, 6-trimethylheptane<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 8


|||<br />

|||<br />

<strong>Solution</strong> of <strong>Nomenclature</strong><br />

Soln. 4(c)<br />

Soln. 7(b)<br />

Cl<br />

H 3<br />

C<br />

|<br />

|<br />

C = C<br />

|<br />

|<br />

CH 2<br />

CH 3<br />

I<br />

H 3 C<br />

4<br />

1<br />

CH 3<br />

2<br />

H 3 C<br />

3<br />

5<br />

6<br />

7<br />

As in this compound the common groups i.e. highly<br />

electronegative halogen atoms are on opposite side,<br />

hence it is a trans isomer. Thus its name is trans-2-<br />

chloro-3-iodo-2-pentene<br />

Soln. 5(a)<br />

CH 3<br />

4-ethyl-3-methyloctane<br />

Soln. 8(a)<br />

Correct IUPAC name of<br />

1 2 3 4<br />

CH 3<br />

- C - CH - CH 3<br />

|| |<br />

O CH 3<br />

2-Methyl-3-butanone<br />

CH 3<br />

|<br />

CH 3<br />

- CH 2<br />

- CH 2<br />

- CH - CH - CH 2<br />

CH 3<br />

|<br />

CH 2<br />

CH 3<br />

1 2 3<br />

CH 3<br />

- CH - CH - CH 3<br />

| | 4 5<br />

CH 3 CH 2<br />

CH 3<br />

2,3-Dimethylpentane<br />

is 4-Ethyl-3-methyl heptane.<br />

Soln. 9(c)<br />

4 3 2 1<br />

CH 3<br />

- CH - CH - CH 3<br />

|<br />

Cl<br />

|<br />

Br<br />

2-Bromo-3-chlorobutane<br />

5<br />

4<br />

3 2 1<br />

C<br />

O<br />

Cl<br />

1 2 3 4 |<br />

CH 3<br />

- C<br />

5<br />

CH 3<br />

C - CH<br />

|<br />

CH 3<br />

4-Methyl-2-pentyne<br />

Soln. 6(b)<br />

The IUPAC name of<br />

1 2 3<br />

4 5 6<br />

CH 2 = CH - CH 2 - CH 2 - C<br />

CH<br />

is Hex-1-en-5-yne or 1-hexene-5-yne.<br />

It is 2, 3-dimethylpentanoyl chloride<br />

Soln. 10(a)<br />

The given compound is<br />

2 1<br />

CH = CH 2<br />

|<br />

CH 3<br />

- CH 2<br />

- CH 2<br />

- C - C - CH 2<br />

- CH 3<br />

3<br />

| 4<br />

CH 2<br />

- CH 3<br />

5 6<br />

4-Ethyl-3-propyl hex-1-ene<br />

The lowest number is given to the C = C double<br />

bond.<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 9


<strong>Solution</strong> of <strong>Nomenclature</strong><br />

Soln. 11(a)<br />

CH 3<br />

1<br />

Cl<br />

C = C<br />

2<br />

3<br />

4 5<br />

CH 2<br />

CH 3<br />

I<br />

Correct IUPAC name of above compound is trans-2-<br />

chloro-3-iodo-2-pentene<br />

Corporate Office:<br />

COM N PASS EDUCATION Pvt. Ltd. 13/1/1A, Rani Sankari Lane, Kolkata – 700026, W.B.<br />

Zonal Office:<br />

Mahiskapur, Durgapur – 713205 Page 10

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!