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When conc. H2SO4 is added to s~lution o...

When conc. `H_2SO_4` is added to s~lution of potasium dichromate

A

A yellow solid of chromate sepearates out

B

A yellow solid of Cr (VI) oxide sepearates out

C

A purple red solid of chromate separates out

D

A purple red solid of Cr (VI) oxides seperates out

Text Solution

Verified by Experts

The correct Answer is:
D

Conc, `H_2SO_4` acts as dehydrating agent
`K_2Cr_2O_7 + H_2SO_4 rarr H_2Cr_2O_7 rarr H_2O + 2CrO_3`
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