Chemistry-Organic Preparations
NEET Chemistry Organic Preparations MCQ Question
Type: MCQ-diagram based-Medium-Class 12
A test tube contains 0.1 g of a salt and a pinch of manganese dioxide, to which concentrated sulfuric acid is added, and the mixture is heated. Describe the process depicted and identify the gas evolved.
A
Chlorine gas evolution, identified by its greenish-yellow color and pungent odor.
B
Bromine gas evolution, detected by its reddish-brown color.
C
Hydrogen gas evolution, noted by its colorless and odorless nature.
D
Carbon dioxide gas evolution, detected by turning lime water milky.
Correct Answer
Option A
Detailed Explanation
The process involves the evolution of greenish-yellow chlorine gas when a salt reacts with manganese dioxide and concentrated sulfuric acid, as described in the NCERT context.
Found an issue with this question?