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Cr(4)^(2-)hArrCr(2)O(7)^(2-) equilibrium...

`Cr_(4)^(2-)hArrCr_(2)O_(7)^(2-)` equilibrium is estabilished in a solution whose `p^(H)=4`. Correct statement is

A

`CrO_(4)^(2-)` predominate `(p^(H)gt4)`

B

`CrO_(7)^(2-)` predominate `(p^(H)gt)`

C

Both form exists `50%` at `p^(H)=10`

D

equilirium doesn't shifts as `p^(H)` changes

Text Solution

Verified by Experts

The correct Answer is:
A
Conceptual
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