zogadi da araorganuli qimia
zogadi da araorganuli qimia
zogadi da araorganuli qimia
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Cr O + 2Al � 2Ce + Al O 2 3 2 3<br />
fy<br />
2Cr O + 3Si + 3CaO � 4Cr + 3CaSiO 2 3 3<br />
fvfdt lhjc= Cr-bc vbqt,f itb.kt,f fuhtsdt vbcb vfhbkt,bc<br />
yfkqj,t,bc fy o'fk[cyfht,bc tktmnhjkbpbs\<br />
abpbrehb sdbct,t,b\ mhjvb vjyfwhbcahj-stshb v,pbydfht<br />
kbsjybf\ kbsjyt,c ijhbc 'dtkfpt vfufhbf (cbvrdhbdt 7=2 u$cv 3 )=<br />
.ytkfl lyj,flbf xdtekt,hbd gbhj,t,ib\ ;fyu,flbcf lf ]fthbc<br />
ntybc vjmvtlt,bc vbvfhs vluhflbf= hflufy vbcb ptlfgbhb bafht,f<br />
rjhjpbbcflvb vluhflb jmcblehb atybs\ ceasf mhjvb ztlflb=<br />
,kfynb kbsjybf\<br />
mbvbehb sdbct,t,b\ ufdfhdfht,ekb mhjvb vfqfk ntvgthfnehfpt<br />
o'kbc jhsmksfy itlbc htfmwbfib\<br />
2Cr + 3H 2 O � Cr 2 O 3 + 3H 2<br />
600-800 0 C-vlt uf[eht,bcfc kbsjyehb mhjvb itlbc htfmwbfib<br />
mkjhsfy= ,hjvsfy= ujubhlsfy lf itcf,fvbcfl ofhvjmvybc<br />
mkjhblt,c= cekablt,c= ,hjvblt,c|<br />
Cr + 3Cl 2 � 3CrCl 3<br />
2Cr + 3S � Cr 2 S 3<br />
mhjvb ufypfdt,ekb v;fdt,blfy f.tdt,c o'fk,flc|<br />
Cr + 2HCl � CrCl 2 + H 2�<br />
Cr + H 2 SO 4 � CrSO 4 + H 2�<br />
rjywtynhbht,ek ujubhlv;fdfcsfy ufw[tkt,bcfc ufvjb'jaf<br />
SO 2 \<br />
2Cr + 6H 2 SO 4 � Cr 2 (SO 4 ) 3 + 3SO 2� + 6H 2 O<br />
mhjvbc ;fyu,flyfthst,b<br />
mhjvb ofhvjmvybc cfv jmcblc| CrO, Cr 2 O 3 lf CrO 3 \<br />
mhjvbc (^^) jmcblb _ CrO lf vbcb 'dtkf yfthsb cfrvfjl<br />
fhfvluhflbf= fldbkfl b;fyut,f ]fthbc ;fyu,flbs lf ufhlfbmvyt,f<br />
mhjvbc (^^^) yfthst,fl\ vfu\|<br />
2Cr(OH) 2 + 1/2O 2 + H 2 O � 2Cr(OH) 3<br />
Cr (II)-bc jmcblb= ]blhjmcblb fv;qfdyt,ty ae.t sdbct,t,c\<br />
Cr (II)-bc ]blhjmcblb _ Cr(OH) 2 vbbqt,f itcf,fvbc vfhbkt,pt<br />
nenbc vjmvtlt,bs|<br />
CrCl 2 + 2NaOH � Cr(OH) 2 + 2NaCl<br />
Cr(OH) 2 ehsbthsmvtlt,c v[jkjl v;fdt,sfy|<br />
Cr(OH) 2 + 2HCl � CrCl 2 + 2H 2 O<br />
mhjvbc (^^^) jmcblb _ Cr 2 O 3 vodfyt athbc .ytkfl kqj,flb<br />
a[dybkbf\ cbvfuhbc vb[tldbs f[kjc fhbc rjheylsfy\ vbbqt,f<br />
Cr-bc uf[eht,bs vfqfk ntvgthfnehfpt|<br />
4Cr + 3O 2 � 2Cr 2 O 3<br />
kf,jhfnjhbfib Cr 2 O 3 vbbqt,f fvjybevbc lbmhjvfnbc<br />
uf[eht,bs|<br />
(NH 4 ) 2 Cr 2 O 7 � Cr 2 O 3 + N 2 + 4H 2 O<br />
Cr 2 O 3 -c ittcf,fvt,f mhjvbc (^^^) ]blhjmcblb _ Cr(OH) 3 =<br />
hjvtkbw vbbqt,f Cr (III)-bc vfhbkt,pt nenbc vjmvtlt,bs|<br />
CrCl 3 + 3NaOH � Cr(OH) 3 + 3NaCl<br />
Cr 2 O 3 lf Cr(OH) 3 fvajnthekb sdbct,t,bs [fcbfslt,f\ Cr 2 O 3<br />
o'fkib= v;fdt,cf lf nentt,ib fh b[cyt,f\ vbcb fvajnthekb sdbct,t,b<br />
v;qfdylt,f nentt,sfy itkqj,bcfc\ fv itvs[dtdfib ofhvjbmvyt,f<br />
mhjvbnb= vtnfmhjvjdfyb v;fdfc _ HCrO 2 -bc vfhbkt,b|<br />
Cr 2 O 3 + 2NaOH � 2NaCrO 2 + H 2 O<br />
Cr(OH) 3 rb b[cyt,f hjujhw v;fdfib= bct nentib|<br />
2Cr(OH) 3 + 3H 2 SO 4 � Cr 2 (SO 4 ) 3 + 6H 2 O<br />
Cr(OH) 3 + 3NaOH � Na 3 [Cr(OH) 6 ]<br />
nentt,sfy itkqj,bs Cr(OH) 3 ofhvjmvybc mhjvfnt,c|<br />
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