Question

# In the laboratory  preparation of Nitric Acid, state the role of concentrated Sulphuric Acid

A

Oxidising agent

B

Reducing agent

C

Less volatile acid

D

Dehydrating agent

Solution

## The correct option is B Less volatile acidConcentrated Sulphuric Acid act as a less volatile acid in the laboratory preparation of nitric acid. This helps in the dissolution of gases evolved and thus removal of impurities in order to obtain pure nitric acid.

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