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Acidic solution of a salt produced deep...

Acidic solution of a salt produced deep blue colour with starch and potassium iodide is :

A

acetate

B

nitrite

C

chloride

D

bromide .

Text Solution

Verified by Experts

The correct Answer is:
B
`NO_2^(-)` liberates `I_2` from KI which gives blue colour with starch solution.
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