To an acidified dichromate solution

CHEMISTRY · Single correct · CBSE · Chemistry · Redox Reactions · Redox Reactions

Problem

To an acidified dichromate solution, a pinch of

\mathrm{Na}_2\mathrm{O}_2

is added and shaken. What is observed? (1) Blue colour (2) Orange colour changing to green (3) Copious evolution of oxygen (4) Bluish-green precipitate

Related theory

Redox Reactions
Oxidation and reduction
Oxidation and Reduction Concepts

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