CBSE Class 12 Chemistry 2022 Term 2 Delhi Set 3

Question : 1 of 12

Marks: +1, -0

SECTION - A

Predict the reagent for carrying out the following transformations:
(a) Benzoyl chloride to Benzaldehyde
(b) Ethanal to 3-hydroxy butanal
(c) Ethanoic acid to 2-chloroethanoic acid

Solution:

(i) Rosenmund Reduction in presence of Lindlar's Catalyst

( {\H}_2 \/ {\Pd}- {\BaSO}_4)

.
(ii) Aldol Condensation in presence of dil.

{\NaOH}

.
(iii) Hell - Volhard Zelinsky Reaction in presence of

{\Cl}_2 \/

Red Phosphorous.

Go to Question:

Next Question