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The Lassaigne's extract is boiled w...

The Lassaigne's extract is boiled with conc . `HNO_(3) ` while testing for halogens. By doing so it_______ .

A

Increases the concentration of ` NO_(3)^(-)`

B

Decomposes `Na_(2) S ` and NaCN, if formed

C

Helps in the precipitation of Ag Cl

D

Increases the solubility product of AgCl

Text Solution

Verified by Experts

The correct Answer is:
B
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