Carboxylic Acids Question 136
Question: Colouration of $ Br_2/CCl_4 $ will be discharged by
[Orissa JEE 2005]
Options:
A) Cinnamic acid
B) Benzoic acid
C) o-phthalic acid
D) Acetophenone
Show Answer
Answer:
Correct Answer: A
Solution:
Cinnamic acid reacts with bromine in carbon tetrachloride to give dibromocinnamic acid. $ C_6H_5CH=CHCOOH+Br_2\xrightarrow{CCl_4}\underset{\text{dibromocinnamic acid}}{\mathop{\overset{BrBr}{\mathop{\overset{||}{\mathop{C_6H_5CH-CHCOOH}}}}}} $
BETA
