First slide

Group16 or Oxygen family

Question

Which of the following solutions does not change its colour on passing ozone through it?

Moderate

A

Starch iodide solution
B

Alcoholic solution of benzidine
C

Acidic solution of K₂Cr₂O₇
D

Acidified solution of FeSO₄

Solution

Ozone does not react with acidified solution of K₂Cr₂O₇

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