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CrO(4)^(2-)underset(pH=Y)overset(pH=X)(h...

`CrO_(4)^(2-)underset(pH=Y)overset(pH=X)(hArr)Cr_(2)O_(7)^(-2)` The pH values of (X) and (Y) are respectively

A

5, 9

B

6, 5

C

8, 6

D

7, 7

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The correct Answer is:
A
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