Completion of diazotisation can be checked with – InterviewSolution

1.	Completion of diazotisation can be checked with
Answer» starch paper starch -KI paper litmus paper `K_(2)Cr_(2)O_(7)` paper. Solution :Completion of diazotisation can be checked with starch- KI paper. Excess of `HNO_(2)` in the REACTION mixture oxidises KI to `I_(2)` which turns starch blue.

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