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Stereoisomerism

Coordination ...

Question

Coordination compound: Explain [Co(NH3)6]3+ is an inner orbital complex while [Ni(NH3)6]2+ is an outer orbital complex .

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

is an inner orbital complex whereas

[N i (N H_{3})_{6}]^{2 +}

is an outer orbital complex.

Q. Which one of the following complexes is an outer orbital complex?

Q. Assertion :Complex ion

[C o (N H_{3})_{6}]^{2 +}

is readily oxidized to

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

Reason: Unpaired electron in complex ion

[C o (N H_{3})_{6}]^{2 +}

is present in 4p orbital.

Q. The coordination complex,

[C u (O H_{2})_{6}]^{2 +}

has one unpaired electron. Which of the following statements are true about the coordination complex,

[C u (O H_{2})_{6}]^{2 +}

?
(1) The complex is octahedral.
(2) The complex is an outer orbital complex.
(3) The complex is

d^{2} d p^{3}

hybridized.
(4) The complex is diamagnetic.
(5) The coordination number is

6

.

Q. Which of the following statements is/are true for

[C u (N O_{2})_{6}]^{4 -}

[F e (H_{2} O)_{6}]^{3 +}

?

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