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Assertion : In acidic medium, K2Cr2O7 ex...

Assertion : In acidic medium, `K_2Cr_2O_7` exists as `Cr_2O_7^(2-)` (orange) while in basic medium it is converted to `CrO_4^(2-)` (yellow).
Reason : `K_2Cr_2O_7` is hygroscopic in nature and changes colour on reaction with water.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true and reason not is the correct explanation of assertion.

C

If assertion is trun but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
`K_2Cr_2O_7` changes colour only with change in pH of aqueous solution.
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