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Which of the following reactions involve...

Which of the following reactions involves neither oxidation nor reduction ?

A

`CrO_(4)^(-2) to Cr_(2)O_(7)^(2-)`

B

`Cr to CrCl_(3)`

C

`Na to Na^(+)`

D

`2S_(2)O_(3)^(2-) to S_(4)O_(6)^(2-)`

Text Solution

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The correct Answer is:
A
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NARAYNA-REDOX REACTION-Exercise -2 (C.W.)
  1. Lead Nitrate is strongly heated. In this reaction the oxidation number...

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  2. The sum of the oxidation number of the carbon atoms in CH(3)CHO is

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  3. Ethylene reacts with alkaline KMnO(4) to form-

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  4. One gas bleaches the colour of flowers by reduction and other by oxida...

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  5. Why in the redox titration of KMnO(4) vs oxalic acid, we heat oxalic a...

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  6. Which of the following has//have been arranged in order of decreasing...

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  7. Arrange HOCl, HClO(2), HClO(3) and HClO(4) in order of (i) acidic stre...

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  8. The oxidation state of the most electronegative atom in each of the pr...

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  9. Which of the following reactions involves neither oxidation nor reduct...

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  10. In the chemical reaction K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2) to K(2)SO(4)+...

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  11. Consider the following reaction, 5H(2)O(2)+x ClO(2)+2OH^(-) to Cl^(-...

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  12. In the balanced chemical reaction IO(3)^(ө)+aI^(ө)+bH^(ө)rarrcH(2)O+...

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  13. One mole of N(2)H(4) loses ten moles of electrons of form a new compou...

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  14. What is the oxidation state of Fe in nitroprusside ion ?

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

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  16. Which of the following sequence is correct with reference to the oxida...

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  17. When KMnO(4) acts as an oxidant and ultimately forms [MnO(4)]^(2-), M...

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  18. In Balancing the reaction XZn+NO(3)^(-)+YH^(+) to XZn^(2+) +NH(4)^(+)+...

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

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  20. 1 mole of equimolar mixture of ferric oxalate and ferrous oxalate requ...

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