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Which one of the following equations rep...

Which one of the following equations represents a redox reaction?

A

`PCl_3 + 3H_2 O to H_3 PO_3 + 2HCl`

B

` 2NF_2 + H + 2KF to KHF_2 lt K_2 [NiF_6]`

C

`K_2 [Ni (CN)_6] lt K_2 [ NiF_6] lt Ni (CO)_4`

D

` 2 KI + Pb (NO_3)_2 to PbI_2 + 2KNO_3`

Text Solution

Verified by Experts

The correct Answer is:
C
`I^(-)` is both oxidised and reduced.
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BRILLIANT PUBLICATION-REDOX REACTIONS-LEVEL -II
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  4. Oxidation states of the metal in the minerals haematite and magnetite,...

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  5. Which of the following molecules can acts as oxidising as well as redu...

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  6. In balancing the half reaction, CN^(Theta) to CNO^(Theta) (skeletal) ...

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  7. In which of the following pairs of compounds, nitrogen has maximum pos...

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  8. In the reaction C2H5OH + xI2 + 6OH^(-) to CHI3 + HCO2^(-) + yI^(-) + 5...

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  9. The stoichiometric numbers appearing from left to right in the reactio...

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  10. Oxidation number of oxygen in potassium superoxide is

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  11. Given are the nickel compounds Ni(CO4), K2[NiF6) and K2 [Ni(CN)4]. The...

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  12. Which one of the following equations represents a redox reaction?

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  14. How many electrons are involved in the following redox reaction? Cr2...

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  16. Choose the incorrect statement in the following:

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  17. How many moles of KMnO4 are required in the acidic medium for complete...

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  18. When copper is treated with a certain concentration of nitric acid, ni...

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  19. If 2.68 xx 10^(-3) mol of a solution containing an ion A^(n+) requires...

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