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In which of the following pairs, there i...

In which of the following pairs, there is greatest difference in the oxidation number of the underlined elements ?

A

`underline(N)O_2` and `underline(N)_2O_4`

B

`underline(P)_2O_5` and ` underline(P)_4O_10`

C

`underline(N)_2O` and `underline(N)O`

D

`underline(S)O_2` and `underline(S)O_3`

Text Solution

Verified by Experts

The correct Answer is:
D
(d) O.N. of N in `NO_2`, and `N_2O_4`, is +4 (differencc is zero). O.N.of P in `P_2O_5`, and `P_4O_10` is +5 (difference is zero). O.N. of N in `N_2O` is +1 and in NO is +2 (diflerence is 1). O.N. of S in `SO_2` is +4 and in `SO_3`, is +6 (diference is +2).
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  6. The oxidation state of iodine in H(4)IO(6)^(-) is:

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  7. The reaction in which hydrogen peroxide acts as a reducting agent is .

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  8. The atomic number of an element is 22. The highest oxidation state exh...

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  9. Consider the following statements Reaction KIO(3) + 5Kl + 6HCl = 3...

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  10. The number of mole of KMnO(4) that will be needed to react completely ...

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  11. Which of the following is not a redox reaction ?

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  12. Which of the following reactions is not a redox reaction?

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  14. If equal volumes of 1 M KMnO(4) and 1M K(2)Cr(2)O(7) solutions are all...

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  15. Hydrazine reacts with KIO(3) in presence of HCl as : N(2)H(4)+IO(3)^...

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  16. The equivalent weight of iron in Fe(2)O would be:

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  17. E^(θ) values of some redox couples are given below. On the basis of th...

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  18. A solution contains Fe^(2+), Fe^(3+) and T^(-) ions. This solution was...

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  19. In the standardization of Na(2)S(2)O(3) using K(2)Cr(2)O(7) by iodomet...

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  20. Which of the following reactions do not involve oxidation reduction ? ...

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