Which of the following are true for the complex Ni(CN)42−ionA) Hybridization of Ni2+ ion is dsp2B) Shape of the complex ion is planar squareC) Magnetic moment of the complex is 2.83 BMD) The complex is an example for a high spin complex

Ni2+ ion has 3d8 outer electronic configuration. It undergoes dsp2 hybridization to form [Ni(CN)4]2− complex in which all the electrons are paired. Hence, it is diamagnetic.The complex ion [Ni(CN)4]2− is square planar and diamagnetic.

Which of the following are true for the complex Ni(CN)42−ionA) Hybridization of Ni2+ ion is dsp2B) Shape of the complex ion is planar squareC) Magnetic moment of the complex is 2.83 BMD) The complex is an example for a high spin complex

Ni2+ ion has 3d8 outer electronic configuration. It undergoes dsp2 hybridization to form [Ni(CN)4]2− complex in which all the electrons are paired. Hence, it is diamagnetic.The complex ion [Ni(CN)4]2− is square planar and diamagnetic.

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Which of the following are true for the complex $Ni {(CN)_{4}}^{2 -}$ ion
A) Hybridization of Ni²⁺ ion is dsp²
B) Shape of the complex ion is planar square
C) Magnetic moment of the complex is 2.83 BM
D) The complex is an example for a high spin complex

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C and D

B and D

A and B

A and C

answer is A.

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Detailed Solution

Ni²⁺ ion has 3d⁸ outer electronic configuration. It undergoes dsp² hybridization to form [Ni(CN)₄]²⁻ complex in which all the electrons are paired. Hence, it is diamagnetic.

The complex ion [Ni(CN)₄]²⁻ is square planar and diamagnetic.

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