Which of the following complexes are heteroleptic?
(a) $[C r (N H_{3})_{6}]^{3 +}$
(b) $[F e (N H_{3})_{4} C l_{2}]^{+}$
(c) $[M n (C N)_{6}]^{4 -}$
(d) $[C o (N H_{3})_{4} C l_{2}]$

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Solution

Heteroleptic complexes Coordination complexes which contain more than one type of ligands are known as heteroleptic complexes.
e.g., $[F e (N H_{3})_{4} C l_{2}]^{+}$ contain $N H_{3}$ and Cl as a ligand is as heteroleptic complex. Similarly, $[C o (N H_{3})_{4} C l_{2}]$ contain $N H_{3}$ and Cl as ligand is also a heteroleptic complex.
Hence, options (b) and (d) are correct choices.

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Similar questions

Q. The magnetic moments of complexes given below are in the order:

(I)

[N i (C O)_{4}]

(II)

[M n (C N)_{6}]^{4 -}

(III)

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

(IV)

[C o F_{6}]^{3 -}

Atomic number of Mn. Fe and Co are 25, 26 and 27 respectively. Which of the following inner orbital octahedral complex ions are diamangetic?
(a) $[C o (N H_{3})_{6}]^{3 +}$
(b) $[M n (C N)_{6}]^{3 -}$
(c) $[F e (C N)_{6}]^{4 -}$
(d) $[F e (C N)_{6}]^{3 -}$

Q. Which of the following complexes are low spin and diamagnetic?
(a)

K_{4} (O s (C N)_{6}]

(b)

[M o (C O)_{6}]

(c)

[M n (C N)_{6}]^{4 -}

Select the correct answer using the codes given below:

Which of the following will give a pair of enantiomorphs?

$(e n = N H_{2} C H_{2} C H_{2} N H_{2})$

Which of the following complex ions is expected to absorb visible light?

(At number Zn = 30, Sc = 21, Ti = 22, Cr = 24)

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Which of the following complexes are heteroleptic? (a)[Cr(NH3)6]3+ (b)[Fe(NH3)4Cl2]+ (c)[Mn(CN)6]4− (d)[Co(NH3)4Cl2]

Which of the following complexes are heteroleptic?
(a) $[C r (N H_{3})_{6}]^{3 +}$
(b) $[F e (N H_{3})_{4} C l_{2}]^{+}$
(c) $[M n (C N)_{6}]^{4 -}$
(d) $[C o (N H_{3})_{4} C l_{2}]$