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When KMnO(4) solution is added to hot ox...

When `KMnO_(4)` solution is added to hot oxalic acid solution the decoloursitation is slow in the beginning but becomes instantaneous after some time. This is because

A

`MnSO_(4)`

B

`MnO_(2)`

C

`MnO_(4)^(2-)`

D

`MnO_(3)^(-)`

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The correct Answer is:
A
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NIKITA PUBLICATION-D-AND F-BLOCK ELEMENTS-MULTIPLE CHOICE QUESTIONS
  1. In acidic medium oxidation state of Mn changes from

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  2. The equivalent weights of KMnO(4) as an oxidising agent in acidic and ...

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  3. When KMnO(4) solution is added to hot oxalic acid solution the decolo...

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  4. Equivalent weight of KMnO(4) when it is convert into MnSO(4) is

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  5. Acidified KMnO(4) solution is decolourized by

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  6. For the redox reaction, MnO(4)^(-) + C(2)O(4)^(2-) + H^(+) rarr Mn^(...

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  7. Potassium manganite (K(2)MnO (3)) is formed when

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  8. Which of the following statements is not true ?

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  9. Baeyer's reagent is:

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  10. Following ions are equilibrium at Cr(2) O(7)^(2-) hArr CrO(4)^(2-)

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  11. The mineral from which potassium permagnate is manufactured

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  12. MnO(4)^(2-) is

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  13. The reaction, MnO(4)^(2-) +e^(-)hArr MnO(4)^(-) is shifted to right in

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  14. Equivalent mass of kMnO(4) in alkaline medium is

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  15. When an ecidified solution of ferrous sulphiate is treated with potass...

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  16. The shape of MnO(4)^(-) ion and the hybridisation of Mn in MnO(4)^(-) ...

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  17. MnO(4)^(2-) has "" geometry

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  18. At red heat KMnO(4) decompose into,

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  19. KMnO(4) act as oxidising agent in netural medium. It accept how many e...

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  20. KMnO(4) is heated with conc. H(2)SO(4) gives

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