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Old Exam Papers Dec. 2010 - Video

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(b) Explain the following with one example :<br />

(i) Dehydrohalogenation<br />

(ii) Dehydration<br />

fuEufyf[kr dks ,d mnkgj.k dh lgk;rk ls<br />

le>kb;s %<br />

(i) fogkbMªksgSykstuhdj.k<br />

(ii) futZyhdj.k<br />

(c) Give type of hybridisation found in CH 4 and<br />

C 2 H 2 . 2<br />

CH 4 rFkk C 2 H 2 esa ikbZ tkus okyh ladj.k dk izdkj<br />

fyf[k;sA 2<br />

4. (a) Explain why :<br />

(i) Vegetable are cooked with difficulty at hill<br />

station.<br />

(ii) Liquids possess fluidity.<br />

(iii) Solids can not be compressed.<br />

(iv) Liquids have higher density than gases.<br />

600 4 BCH<br />

5<br />

5<br />

4<br />

<strong>Papers</strong> (A) (<strong>Dec</strong>ember) <strong>2010</strong><br />

(319)<br />

(ii) gsDl-3-bZu-l-vksbd ,flM<br />

(iii) 2-Dyksjks-1, 1, 1-VªkbZ yksjks bZFksu<br />

(c) Give general formula of :<br />

(i) Alcohols<br />

(ii) Carboxylic acids<br />

(iii) Esters<br />

(iv) Alkene<br />

fuEufyf[kr ds lkekU; lw= fyf[k;s %<br />

(i) ,Ydksgy<br />

(ii) dkcksZfDlfyd vEy<br />

(iii) ,LVj<br />

(iv) ,Ydhu<br />

8. (a) Write down formulae for all the isomers of tartaric<br />

acid. 5<br />

VkVZfjd vEy ds lHkh leko;fo;ksa ds lw= fyf[k;sA 5<br />

(b) What is Walden Inversion ? Explain with example. 5<br />

BCH 9 PTO<br />

3<br />

4<br />

4

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