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The coordination number of Ni^(2+) is 4....

The coordination number of `Ni^(2+)` is 4.
`NiCl_(2) + KCN ("excess") rarr A ("cyano comples")`
`NiCl_(2) + conc. HCl ("excess") rarr B ("chloro complex")`
Predict the magnetic nature of A and B.

A

Both are diamagnetic

B

A is diamagnetic and B is paramagnetic with one unpaired electron

C

A is diamagnetic and B is paramagnetic with two unpaired electrons

D

Both are paramagnetic

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The coordination number of Ni^(2+) is 4. NiCl_(2) + KCN ("excess") rarr A ("cyano comples") NiCl_(2) + conc. HCl ("excess") rarr B ("chloro complex") The hybridisation of A and B are

    A
    `dsp^(2), sp^(3)`
    B
    `sp^(3), sp^(3)`
    C
    `dsp^(2), dsp^(2)`
    D
    `sp^(3)d^(2), d^(2) sp^(3)`

  • The coordination number of Ni^(2+) is 4 NiCl_(2)+KCN ("excess")rarr A("cyano complex") A + conc. HCl ("excess")rarr B ("chloro complex") Predict the magnetic nature of A and B

    A
    Both are diamagnetic
    B
    A is diamagnetic and B is paramagnetic with one unpaired electron
    C
    A is diamagnetic and B is paramagnetic with two unpaired electrons
    D
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    A
    `dsp^(2), sp^(3)`
    B
    `sp^(3), sp^(3)`
    C
    `dsp^(2), dsp^(2)`
    D
    `sp^(3)d^(2), d^(2)sp^(3)`

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