The correct order of the following complexes according to increasing conductivity of their solutions will be:
(i) $[C o (N H_{3})_{3} C l_{3}]$
(ii) $[C o (N H_{3})_{4} C l_{2}] C l$
(iii) $[C o (N H_{3})_{6}] C l_{3}$
(iv) $[C o (N H_{3})_{5} C l] C l_{2}$

(i) < (ii) < (iv) < (iii)

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(ii) < (i) < (iii) < (iv)

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(i) < (iii) < (ii) < (iv)

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(iv) < (i) < (ii) < (iii)

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Solution

The correct option is A (i) < (ii) < (iv) < (iii)
Higher the number of ions in the solution, higher is the conductivity.
Number of ions : $[C o (N H_{3})_{3} C l_{3}]$ = 0;
$[C o (N H_{3})_{4} C l_{2}] C l$ = 2;
$[C o (N H_{3})_{5} C l] C l_{2}$ = 3;
$[C o (N H_{3})_{6}] C l_{3}$ = 4
For example, total number of ions given by dissociation of one molecule of $[C o (N H_{3})_{6}] C l_{3}$ in aqueous solution $=$ 4. This includes one $[C o (N H_{3})_{6}]^{3 +}$ ion and three $C l^{-}$ ions.

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Similar questions

Arrange the following complexes in the increasing order of conductivity of their solution

$[C o (N H_{3})_{3} C l_{3}], [C o (N H_{3})_{4} C l_{2}] C l, [C o (N H_{3})_{6}] C l_{3}, [C o (N H_{3})_{5} C l] C l_{2}$

Q. Arrange the following complexes in order of increasing electrical conductivity.
(I)

[C o C l_{3} (N H_{3})_{3}]

(II)

[C o C l (N H_{3})_{5}] C I_{2}

(III)

[C o (N H_{3})_{6}] C l_{3}

(IV)

[C o C l_{2} (N H_{3})_{]} 1 C l

Q. The correct order of increasing electrical conductivity in aqueous solutions of the following complexes is:
I.

[P t (N H_{3})_{4}] C l_{4}

II.

[C r (N H_{3})_{6}] C l_{3}

III.

[C r (N H_{3})_{4} C l_{2}] C l

IV.

K_{2} [P t C l_{6}]

Q. The correct decreasing order of -I effect of the given groups will be:

(i) C N (i i) N O_{2} (i i i) N H_{2} (i v) F

Q. The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct order.

K_{2} C O_{3} (I), M g C O_{3} (I I), C a C O_{3} (I I I), B e C O_{3} (I V)

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The correct order of the following complexes according to increasing conductivity of their solutions will be:(i)[Co(NH3)3Cl3](ii)[Co(NH3)4Cl2]Cl(iii)[Co(NH3)6]Cl3(iv) [Co(NH3)5Cl]Cl2

The correct order of the following complexes according to increasing conductivity of their solutions will be:
(i) $[C o (N H_{3})_{3} C l_{3}]$
(ii) $[C o (N H_{3})_{4} C l_{2}] C l$
(iii) $[C o (N H_{3})_{6}] C l_{3}$
(iv) $[C o (N H_{3})_{5} C l] C l_{2}$