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Dilute HNO3 cannot be concentrated beyon...

Dilute `HNO_3` cannot be concentrated beyond `68 %` by boiling because.

A

On boiling `HNO_3` is decomposed

B

On boiling `HNO_3` produces a large amount of heat which is uncontrollable.

C

It forms a constant boiling mixture with `H_2 O` boiling ar `394 K`.

D

It can be concentrated beyond `68 %` by stream distillation.

Text Solution

Verified by Experts

The correct Answer is:
C
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