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In which of the following cases equivale...

In which of the following cases equivalent mass of a reductant is equal to its molecular mass-

A

`Cr_(2)O_(7)^(2-)+6I^(-)14H^(+)to2Cr^(3+)+3I_(2)+7H_(2)O`

B

`MnO_(4)^(-)+5Fe^(2+)8H^(+)to5F^(3+)+Mn^(2+)+4H_(2)O`

C

`2Na_(2)S_(2)O_(3)+I_(2)toNa_(2)S_(4)O_(6)+2NaI`

D

`MnO_(4)^(-)5C_(2)O_(4)^(2-)+16H^(+)toMn^(2+)+10CO_(2)+8H_(2)O`

Text Solution

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The correct Answer is:
B, C
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CHHAYA PUBLICATION-REDOX REACTIONS -MCQ HOTSPOT (MORE THAN ONE CORRECT TYPE)
  1. In which of the following compounds oxidation number of oxygen is frac...

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  2. When CI(2) is passed through NaOH in cold ,the oxidation number of CI ...

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  3. In which of the following cases equivalent mass of a reductant is equa...

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  4. Identify the redox reaction (s) and also th oxidation and the reductan...

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  5. When ammonium nitrate is heated , the oxidation numbers of the N-atoms...

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  6. For the reaction ,2S(2)O(4)^(2-)+1(2)toS(4)O(6)^(2-)+2I^(-)-

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  7. Which of the following statements about the following reaction are wro...

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  8. Which of the following orders represent the correct desending order of...

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  9. Which of the following reactions are not redox reactions -

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  10. In which compounds does Cr exists in +6 oxidation state-

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  11. When ammonium nitrite (NH(4)NO(2)) is heated

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  12. In which compounds does an atom exist in two oxidation sates

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  13. In the balanced equation for the reaction H(2)SO(4)+xHItoH(2)S+yl(2)...

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  14. In the reaction, KMnO(4)+Na(2)S(2)O(3)+H(2)OtoMnO(2)+SO(4)^(2-)+OH^(...

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  15. In the balanced equation for the reaction UO^(2+) + Cr(2)O(7)^(2-)+H...

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  16. The disproprotionation of 1 mol of MnO(4-)^(2-)ions is a neutral aqueo...

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  17. In the reation ,2C(6)H(5)overset(**)CHO+NaOHtoC(6)H(6)overset(**)COONa...

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  18. For the reaction : SO(2)+2H(2)Sto3S+2H(2)O-

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  19. The species that cannot be reducing agents are -

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  20. Which are conserved in all redox reactions-

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