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What is the value of n in the following ...

What is the value of n in the following half equation,
`Cr(OH)_(4)^(-)+OH^(-)rarr CrO_(4)^(2-)+H_(2)O +n e^(-)`?

A

3

B

6

C

5

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
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ALLEN-REDOX REACTIONS-Exercise - 1
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  10. Oxidising product of substance Na(3)AsO(3) would be

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  12. Balance given following half reaction for the unbalanced whole reactio...

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  14. In the reaction : MnO(4)^(-)+xH^(+)+n e^(-)rarrMn^(2+)+yH(2)O What is ...

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  15. The number of electrons required to balance the following equation are...

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