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In the combination of NO3-, Br- and I- present in the mixture, Br- and I- interfere in the ring test for NO3-. These are removed by adding a solution of:

Option: 1

Ag2SO4


Option: 2

Ag2CO3


Option: 3

AgNO3


Option: 4

None of these


Answers (1)

best_answer

As we have learnt,

Ag2SO4 combine with Br- and I- ions giving insoluble AgBr and AgI respectively.

Therefore, Option(1) is correct.

Posted by

Kuldeep Maurya

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