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Solution of a salt in dilute H(2)SO(4) o...

Solution of a salt in dilute `H_(2)SO_(4)` or acetic and produces deep blue colour with starch iodide solution. The salt contains :

A

`Br^(-)`

B

`I^(-)`

C

`NO_(3)^(-)`

D

`NO_(2)^(-)`

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The correct Answer is:
D
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GRB PUBLICATION-SALT ANALYSIS-C.Class- A Subgroup-I-Acidic Radicals
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