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Arrange the following complexes in the i...

Arrange the following complexes in the increasing order of conductivity of their solution
`[Co(NH_(3))_(3)Cl_(3)], [Co(NH_(3))_(4)Cl_(2)]Cl, [Co(NH_(3))_(6)]Cl_(3), [Cr(NH_(3))_(5)Cl] Cl_(2)`

A

`(i) lt (ii) lt (iv) lt (iii)`

B

`(ii) lt (i) lt (iii) lt (iv)`

C

`(i) lt (iii) lt (ii) lt (iv)`

D

`(iv) lt (i) lt (ii) lt (iii)`

Text Solution

Verified by Experts

The correct Answer is:
A
Higher the number of ions in the solution , higher is the conductivity .
No. of ions : `[Co(NH_(3))_(3) Cl_(3)] = 0 , [Co(NH_(3))_(4)Cl_(2)]Cl = 2`
`[Co(NH_(3))_(5) Cl]Cl_(2) = 3 , [Co(NH_(3))_(6)]Cl_(3) = 4`
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