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Question : 155 of 160
Marks:
+1,
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Solution:
Chlorination of propane with chlorine in presence of light gives chloropropane.
H3C−CH2−CH3+Cl2CH3CH2CH2Cl Dehydrohalogenation in presence of alc.
KOH gives propene.
CH3CH2CH2Cl| ‌ Alc. ‌KOH |
| ──────▶ |
CH3−CH=CH2 At high temperature terminal allylic
C undergoes chlorination.
CH3−CH=CH2+Cl2| 773K |
| ──────▶ |
| CH3−CH=CH−Cl |
| Allylic‌chlorination |
Cl is substituted by OH
CH3−CH=CH−Cl+AgOH(aq)‌─────▶CH2‌‌=CHCH2OH
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