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Calculate the total decrease in O. N. wh...

Calculate the total decrease in O. N. when potassium dichromate changes to chromium sulphate.

Text Solution

Verified by Experts

The correct Answer is:
6
`overset(+6)overset()(K_(2)Cr_(2)O_(7))rarroverset(+3)overset()Cr_(2)(SO_(4))_(3)`
Total decrease in O.N. of Cr= 2(6-3)=6.
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