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A complex compound consists of 1 mole of...

A complex compound consists of 1 mole of `Co^(3+)` ion, 6 moles of `NH_3`, 6 moles of `NO_2^(-)` and 1 mole of `Cr^(3+)` ion. The complex has neither the highest value nor the lowest value of electrical conductivily. The possible formula for the complex is/are

A

`[Cr(NH_3)_5(NO_2)][Co(NH_3)(NO_2)_5]`

B

`[Co(NH_3)_6][Cr(NO_2)_6]`

C

`[Cr(NH_3)_4(NO_2)_2][Co(NH_3)_2(NO_2)_4]`

D

`[Co(NH_3)_5(NO_2)][Cr(NH_3)(NO_2)_5]`

Text Solution

Verified by Experts

The correct Answer is:
A, D
Complex having + 3 and -3 charges have the higheset conductivity while the complex having + 1 and -1 charge has the lowest electrical conductivity.
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