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The function of boiling the sodium extra...

The function of boiling the sodium extract with concentrated nitric acid before testing halogens is

A

To make solution clear

B

To destroy `CN^(-)` and `S^(2-)` ions

C

To make the solution acidic

D

TO disproportionate `CN^(-)` and `S^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
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