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Which of the following reagent(s) will b...

Which of the following reagent(s) will be most suitable reagent to remove completely `NO_(2)^(-)` from the mixture of `NO_(2)^(-)` and `NO_(3)^(-)`?

A

`NH_(4)CI`

B

Urea

C

Thiourea

D

Sulphamic acid

Text Solution

Verified by Experts

The correct Answer is:
D
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