Hydrocarbons Question 86
Question: When propyne reacts with aqueous $ H_2SO_4 $ in the presence of $ C_2H_4 $ , the major product is [IIT-JEE 1983; AFMC 1991; KCET 1993]
Options:
A) Propanal
B) Propyl hydrogen sulphate
C) Acetone
D) Propanol
Show Answer
Answer:
Correct Answer: C
Solution:
$ CH_3-C\equiv CH+H_2O\underset{1HgSO_4}{\mathop{\xrightarrow{40H_2SO_4}}} $
$ CH_3-\underset{OH}{\mathop{\underset{|}{\mathop{C}}=}}CH_2\xrightarrow{\text{Rearrangem ent}}\underset{Acetone}{\mathop{CH_3-\underset{O}{\mathop{\underset{||}{\mathop{C}}}}-CH_3}} $
BETA
