Alcohols Phenols And Ethers Question 42
Question: The dehydration of 2-methyl butanol with conc. $ H_2SO_4 $ gives
[UPSEAT 2004]
Options:
A) 2-methyl butene as major product
B) Pentene
C) 2-methyl but-2-ene as major product
D) 2-methyl pent-2-ene
Show Answer
Answer:
Correct Answer: A
Solution:
$ \underset{\text{2 Methyl butanol}}{\mathop{H_3C-CH_2-\underset{CH_3\ }{\mathop{\underset{|}{\mathop{C}}H-}}CH_2-OH}}\underset{dehydration}{\mathop{\xrightarrow{Conc\text{. }H_2SO_4}}} $
$ \underset{\begin{smallmatrix} \text{2-Methyl butene} \\ \text{ Major product} \end{smallmatrix}}{\mathop{H_3C-H_2C-\underset{CH_3}{\mathop{\underset{|}{\mathop{C}}=\ }}CH_2}} $
BETA
