Statement I : is a homoleptic complex whereas is a heteroleptic complex. [2024]

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Q.
Given below are two statements :

Statement I : ${[Co {({NH}_{3})}_{6}]}^{3 +}$ is a homoleptic complex whereas ${[Co {({NH}_{3})}_{4} {Cl}_{2}]}^{+}$ is a heteroleptic complex.

Statement II : Complex ${[Co {({NH}_{3})}_{6}]}^{3 +}$ has only one kind of ligands but ${[Co {({NH}_{3})}_{4} {Cl}_{2}]}^{+}$ has more than one kind of ligands.

In the light of the above statements, choose the correct answer from the options given below: [2024]

1 Both Statement I and Statement II are true.

2 Both Statement I and Statement II are false.

3 Statement I is true and Statement II is false.

4 Statement I is false and Statement II is true.

Ans.
(1)

Complexes in which a metal is bound to only one kind of donor groups e.g., ${[Co {({NH}_{3})}_{6}]}^{3 +}$ are known as homoleptic. Complexes in which a metal is bound to more than one kind of donor groups, e.g., ${[Co {({NH}_{3})}_{4} {Cl}_{2}]}^{+}$ are known as heteroleptic.

Solution

1 Both Statement I and Statement II are true.

2 Both Statement I and Statement II are false.

3 Statement I is true and Statement II is false.

4 Statement I is false and Statement II is true.

Ans.
(1)

Complexes in which a metal is bound to only one kind of donor groups e.g., ${[Co {({NH}_{3})}_{6}]}^{3 +}$ are known as homoleptic. Complexes in which a metal is bound to more than one kind of donor groups, e.g., ${[Co {({NH}_{3})}_{4} {Cl}_{2}]}^{+}$ are known as heteroleptic.

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Solution

1 Both Statement I and Statement II are true.

2 Both Statement I and Statement II are false.

3 Statement I is true and Statement II is false.

4 Statement I is false and Statement II is true.

Ans. (1) Complexes in which a metal is bound to only one kind of donor groups e.g., [Co(NH3)6]3+ are known as homoleptic. Complexes in which a metal is bound to more than one kind of donor groups, e.g., [Co(NH3)4Cl2]+ are known as heteroleptic.

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Ans.
(1)

Complexes in which a metal is bound to only one kind of donor groups e.g., ${[Co {({NH}_{3})}_{6}]}^{3 +}$ are known as homoleptic. Complexes in which a metal is bound to more than one kind of donor groups, e.g., ${[Co {({NH}_{3})}_{4} {Cl}_{2}]}^{+}$ are known as heteroleptic.