Hydrocarbons Question 177
Question: Benzene can be obtained by heating either benzoic acid with X or phenol with Y. X and Y are respectively [KCET 2004]
Options:
A) Zinc dust and soda lime
B) Soda lime and zinc dust
C) Zinc dust and sodium hydroxide
D) Soda lime and copper
Show Answer
Answer:
Correct Answer: B
Solution:
$ C_6H_5COOH+\underset{\text{(x)}}{\mathop{NaOH}}\to C_6H_5COONa+H_2O $
$ \xrightarrow{NaOH}C_6H_6+Na_2CO_3 $
$ C_6H_5OH+\underset{\text{(y)}}{\mathop{Zn}}\xrightarrow{distill}C_6H_6+ZnO $
BETA
