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(NH(4))(2)Cr(2)O(7)overset(Delta)rarrN(2...

`(NH_(4))_(2)Cr_(2)O_(7)overset(Delta)rarrN_(2)+4H_(2)O+X` ( Chromium compound), oxidation state of chromium that changes from `(NH_(4))_(2)Cr_(2)O_(7)` to X is

A

3

B

4

C

5

D

-3

Text Solution

Verified by Experts

The correct Answer is:
D
`(NH_(4))_(2)overset(+VI)(Cr_(2)O^(7))overset(Delta)(rarr)overset(+III)(Cr_(2)O_(3)+N_(2)+4H_(2)O`
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