When dil. H2SO4 is added to aqueous sol...

When dil. `H_2SO_4` is added to aqueous solution of Potassium chromate, yellow colour of solution turns to orange colour. It indicates ......

A

Chromate ions are reduced.

B

Chromate ions are oxidised.

C

Mono centric complex is converted into dicentric complex.

D

Oxygen gets removed from chromate ions.

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