Which of the following statement is wron...

Which of the following statement is wrong ?

A

An acidified solution `K_2Cr_2O_7` liberates iodine from iodides

B

In acidic solution dichromate ions are converted to chromate ions

C

Ammonium dichromate on heating undergoes exothermic decomposition to give `Cr_2O_3`

D

Patassium dichromate is used as a titrant for `Fe^(2+)` ions

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The correct Answer is:

B

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