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Which is a redox reaction :...

Which is a redox reaction :

A

`2CuI_(2)rarrCuI+I_(2)`

B

`NaCl+AgNO_(3)rarrAgCl+NaNO_(3)`

C

`NH_(4)Cl+NaOHrarrNH_(3)+NaCl+H_(2)O`

D

`Cr_(2)(SO_(4))_(3)+6KOHrarr2Cr(OH)_(3)+3K_(2)SO_(4)`

Text Solution

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The correct Answer is:
A
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ALLEN-REDOX REACTIONS-Exercise - 1
  1. In the context of the reaction, 4Fe+3O(2)rarr4Fe^(3+)+6O^(2-) , whic...

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  2. In the reaction, Cl(2)+OH^(-)rarrCl^(-)+ClO(4)^(-1)+H(2)O, chlorine ...

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  3. Which is a redox reaction :

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  4. Which of the following examples does not represent disproportionation ...

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  5. The decomposition of KClO(3) to KCl and O(2) on heating is an example ...

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  6. Which of the following change represents a disproportionation reaction...

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  7. One mole on iron [55.8 gm], when oxidised to +2 oxidation state gives ...

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  8. How many electrons should X(2)H(4) liberate so that in the new compoun...

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  9. A reducing agent is a substance Which can:

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  10. The reaction of H(2)S+H(2)O(2) rarr S+2H(2)O manifests

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  11. If an element is in its lowest oxidation state, under proper condition...

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  12. In a reaction H(2)O("steam")+C("glowing") to CO+H(2)

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  13. The compound that can work both as an oxidising as well as reducing ag...

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  14. Reaction (A) S^(-2)+4H(2)O(2)rarrSO(4)^(2-)+4H(2)O (B) Cl(2)+H(2)O(2...

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  15. A compound contains atoms A, B and C. The oxidation number A is +2, of...

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  16. Equivalent weight of N(2) in the change N(2) rarr NH(3) is

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  17. Equivalent weight of NH(3) in the change N(2)rarrNH(3) is :

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  18. In the reaction, 2S(2)O(3)^(2-)+I(2)rarrS(4)O(6)^(2-)+2I^(-). The eq. ...

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  19. In the reaction VO+Fe(2)O(3) rarr FeO+V(2)O(5), the eq.wt. of V(2)O(5)...

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  20. In the reaction, I(2)+2S(2)O(3)^(2-) rarr 2I^(-)+S(4)O(6)^(2-). Eq...

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