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Synthesis of Phenols II

An orange col...

Question

An orange coloured solution acidified with $H_{2} S O_{4}$ and treated with a substance'X' gives a blue coloured solution of $C r O_{5}$ .The substance 'X' is :

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Solution

The correct option is C

Dichromate salts react with hydrogen peroxide in acid medium and gives blue colour.

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Similar questions

K_{2} C r_{2} O_{7}

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When $H_{2}$ $O_{2}$ is added to $T i O_{2}$ solution acidified with conc. $H_{2}$ $S O_{4}$ , the orange coloured compound formed is

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