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The number of moles of KMnO(4) reduced b...

The number of moles of `KMnO_(4)` reduced by `1 "mol of" KI` in alkaline medium is

A

One

B

Two

C

Five

D

One fifth

Text Solution

Verified by Experts

The correct Answer is:
B

`n_(1)vf_(1)=n_(2)vf_(2)`
`n_(1)xx3=1xx6`
`n_(1)=2`
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ALLEN-REDOX REACTIONS-EXERICSE - 3
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  2. The oxidation state of Cr in Cr(2)O(7)^(2-) is

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  3. The number of moles of KMnO(4) reduced by 1 "mol of" KI in alkaline me...

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  4. The correct order of acidic strength is -

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  5. Number of moles of MnO(4)^(-) required to oxidise one mole of ferrous ...

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  6. Oxidation number of P in PO(4)^(3-), of S in SO(4)^(2-) and that of Cr...

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  7. What will be the oxidation number of Fe in K(3)[Fe(CN)(6)] :-

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  8. In the reaction 2FeCl(3)+H(2)Srarr2FeCl(2)+2HCl+S

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  9. For the redox reation MnO(4)^(-)+C(2)O(4)^(2-)+H^(+)rarrMn^(2+)CO(2)...

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  10. Which of the following act both as oxidant & reductant :-

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  11. Which of the following reaction is spontaneous oxidation - reduction r...

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  12. For reaction : Cr(2)O(7)^(-2)+14H^(+)rarr2Cr^(+3)+7H(2)O, How many e...

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  13. Oxidising agents have high :-

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  14. The ratio of coefficient of HNO(3), Fe(NO(3))(2) and NH(4)NO(3) in the...

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  15. Oxidation number of chlorine in perchloric acid is :-

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  16. Correct order of oxidising strength is :-

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  17. When S(2)O(8)^(2-) oxidise Fe^(2+) then product formed is :-

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  18. The oxidation state of sulhur in H(2)SO(5) and chromium in K(2)Cr(2)O(...

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  19. How much amount of CuSO(4).5H(2)O required for liberation of 2,55gI(2)...

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  20. When Cl(2) gas reacts with hot and concentrated sodium hydroxide solut...

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