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NCERT Class XII Chemistry
Chapter - Alcohols, Phenols and Ethers
Questions with Solutions

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Question : 39
Total: 45
Give structures of the products you would expect when each of the following alcohol reacts with (a) HCl–ZnCl2 (b) HBr and (c) SOCl2.
(i) Butan-1-ol (ii) 2-Methylbutan-2-ol
Solution:  
 Reagent →
Alcohol ↓		  HCl–ZnCl2  HBr  SOCl2
 
CH3CH2CH2CH2OH
Butan−1−ol
 		 No reaction at room temperature.  CH3(CH2)2CH2Br  CH3(CH2)2CH2Cl
 
H3CCH2−
CH3
|
C
|
OH
−CH3
2−Methylbutan−2−ol
 		 
H3CCH2−
CH3
|
C
|
Cl
−CH3
(forms‌instantly)
 		 H3CCH2−
CH3
|
C
|
Br
−CH3		  H3CCH2−
CH3
|
C
|
Cl
−CH3
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