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The number of mole of oxalate ions oxidi...

The number of mole of oxalate ions oxidised by one mole of `MnO_(4)^(-)` ion is:

A

`1//5`

B

`2//5`

C

`5//2`

D

`5`

Text Solution

Verified by Experts

The correct Answer is:
C
`[Mn^(7+)+5e rarr Mn^(2+)] xx 2`
`[(C^(3+))_(2) rarr 2C^(4+) + 2e] xx 5`
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P BAHADUR-REDOX REACTIONS-Exercise 3(A) Objective problems
  1. 0.3 g of an oxalate salts was dissolved in 100 mL solution. The soluti...

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  2. A 0.518 g sample of limestone is dissolved in HCl and then the calcium...

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  3. The number of mole of oxalate ions oxidised by one mole of MnO(4)^(-) ...

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  4. The number of moles of KMnO(4) that will be needed to react with 1 mol...

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  5. The number of mole of KMnO(4) that will be needed to react completely ...

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  6. When BrO(3)^(-) ion reacts with Br^(-) iron in acid solution Br(2) is ...

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  7. 2H(2) O(2) (l) rarr 2H(2)o(l) + O(2) (g) 100 mL of X molar H(2)O(2) ...

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  8. 8 g of sulphur are burnt to form SO(2), which is oxidised by Cl(2) wat...

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  9. In CH(2)=C Cl(2), the two carbon atoms have oxidation number respectiv...

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  10. On combustion of CH(4) to CO(2) and H(2), the oxidation number of carb...

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  11. Which does not possess oxidation number of S equal to +6?

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  12. The incorrect order of decreasing oxidation number of S in compound is...

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  13. The oxidation number of C in NaOCN and NaCNS are repspectively:

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  14. Maximum oxdation number of under lined atom is shown in:

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  15. The number of electrons involved in the reduction of nitrate (NO(3)^(ө...

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  16. Which of the following ion is spectator ion in the reaction given belo...

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

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  18. The average oxidation number of I in KI(3), Fe in Fe(3)O(4) are respec...

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  19. The correct name for NO(2) using stock notation is :

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  20. The values of X, Y and Zs in the reaction are repectively: XMnO(4)^(...

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