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When K(2)Cr(2)O(7) is converted to K(2)C...

When `K_(2)Cr_(2)O_(7)` is converted to `K_(2)CrO_(4)`, the change in the oxidation state of chromium is

A

0

B

6

C

4

D

3

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The correct Answer is:
A
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NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.121 To Q.150)
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  3. When K(2)Cr(2)O(7) is converted to K(2)CrO(4), the change in the oxida...

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  4. When a mananous salt is fused with a mixture of KNO(3) and and solid N...

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  7. In which of the following reactions, H(2)O(2) is acting as a reducing...

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  9. Which reaction does not represent auto redox or disproptionation?

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  11. Which of the following is redox reaction?

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  13. In the chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2)rarrK(2)SO(...

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  19. The equivalent mass of HCl in the given reaction is:

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