Alcohols Phenols And Ethers Question 293
Question: The compound which gives the most stable carbonium ion on dehydration is
[DCE 2000]
Options:
A) $ CH_3-\underset{\underset{CH_3}{\mathop{|}}}{\mathop{CH}}-CH_2OH $
B) $ CH_3-\underset{\underset{CH_3}{\mathop{|}}}{\mathop{\overset{\overset{CH_3}{\mathop{|}}}{\mathop{C}}}}-OH $
C) $ CH_3-CH_2-CH_2-CH_2OH $
D) $ CH_3-\overset{\overset{CH_3}{\mathop{|}}}{\mathop{CH-}}CH_2-CH_3 $
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Answer:
Correct Answer: B
Solution:
Tertiary carbonium ion is the most stable and it will be given by dehydration of tertiary alcohol.