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Which of the following reaction are exam...

Which of the following reaction are example of redox reactions?

A

`KMnO_(4)+H_(2)SO_(4)+COto`

B

`K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+HCl to`

C

`CuSO_(4)+KCN("excess") to`

D

`CuSO_(4)+KI("excess") to`

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The correct Answer is:
a,b,c,d
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GRB PUBLICATION-REDOX REACTIONS-All Questions
  1. Assertion: Equivalent weight of FeC(2)O(4) in the reaction, FeC(2)O(4)...

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  2. Assertion: In the titration of Na(2)CO(3) with HCl using methyl orange...

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  3. Which of the following reaction are example of redox reactions?

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  4. 100mL of H(2)O(2) solution having volume strength 11.35 V is mixed wit...

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  5. 25 mL of 0.50M H(2)O(2) solution is added to 50 mL of 0.20 M KMnO(4) i...

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  6. Which of the following compounds acts both as an oxidising as wll as a...

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  7. Which of the following samples of reducing agents is /are chemically e...

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  8. In the titration of K(2)Cr(2)O(7) and ferrous sulphate, following data...

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  9. 0.1M solution of KI reacts with excess of H(2)SO(4) and KIO(3) solutio...

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  10. The oxidation state of Fe in Fe(3)O(4) is :

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  11. Consider the redox reaction 2S(2)O(3)^(2-)+I(2)rarrS(4)O(6)^(2-)+2I^...

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  12. Which of the following are examples of disproportionation reaction?

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  13. Two samples of HCl of 1.0 M and 0.25 M are mixed. Find volumes of thes...

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  14. Equal weights of X (atomic weight = 36) and Y (atomic weight = 24) are...

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  15. Choose the correct statement(s):

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  16. For the reaction :I(2)+NaOH toNaIO(3)+NaI+H(2)O. Identify the correct ...

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  17. Three different solutions of oxidising agents KMnO(4),K(2)Cr(2)O(7) " ...

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  18. Choose the correct statement(s):

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  19. A mixture containing substance 'X' and 'Y' is mixed with a substance '...

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  20. A compound can be formed by the elements A,B and C having oxidation st...

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