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Balance the following half cell reaction...

Balance the following half cell reactions.
`MnO_(4)^(-)toMn^(2+)`

A

zero

B

Eight

C

Five

D

Two

Text Solution

Verified by Experts

The correct Answer is:
A
`5e^(-)+MnO_(4)^(-)rarrMn^(2+)+4H_(2)O`
`+8H^(+)`
ans. Zero
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ALLEN-TEST PAPERS-PAPER 3
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  2. Which of the following solutions will have highest boiling point:- (As...

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  3. Balance the following half cell reactions. MnO(4)^(-)toMn^(2+)

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  4. At STP, a container has 1 mole of Ar, 2 moles of CO(2), 3 moles of O(2...

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  10. The product 'A' in the following reaction is

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  13. In the reaction, CH(3)COOHoverset(LiAIH4)(rarr)(A)overset(I2 + NaOH)...

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  14. In the above reaction 'X' stands for

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  15. The strongest base among the following is

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  16. Among the cyclic ions the aromatic character is shown by :-

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  17. Which of the following pairs of compounds are not isomers:-

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  18. Number of chiral center of the given compound:-

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  19. The IUPAC name for the compound

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  20. The decreasing order of stability of following cations is :-

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