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Q.

When K2Cr2O7 is converted to K2CrO4,the change in the oxidation state of chromium is

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a

0 

b

6
 

c

3

d

4 

answer is A.

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Detailed Solution

Question Image

In this reaction, there is no change in oxidation state of chromium.
Hence, the correct answer is (A).

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When K2Cr2O7 is converted to K2CrO4,the change in the oxidation state of chromium is