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Following order is observed in oxidising...

Following order is observed in oxidising power of certain ions :
`VO_2^(+) lt Cr_2O_7^(2-) lt MnO_4^(-)`
The reason for this increasing order of oxidising power is

A

increasing stability of the lower species to which they are reduced

B

increasing stability of the higher species to which they are oxidised

C

increasing stability of the higher species to which they are reduced

D

increasing stability of the lower species to which they are oxidised.

Text Solution

Verified by Experts

The correct Answer is:
A
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The correct order of increasing oxidising power

The correct order of decreasing oxidising power is:

How would you account for the increasing oxidising power in the series VO_2^(o+)ltCr_2O_7^(2-)MnO_4^(ɵ) ?

(a) Complete the following chemical equations: (i) Cr_(2) O_(7)^(2-) (aq) + H_(2) S(g) + H^(+) (aq) to (ii) Cu^(2+)(aq) + I^(-) (aq) to (b) How would you account for the following : (i) The oxidising power of oxoanions are in the order VO_(2)^(+) lt Cr_(2)O_(7)^(2-) lt Mn O_(4)^(-) (ii) The third ionization enthalpy of manganess (Z = 25) is exceptionally high. (iii) Cr^(2+) is a stronger reducing agent than Fe^(2+) .

Select the correct order of oxidising power in acidic medium.

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