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Magnetic Properties

Atomic number...

Question

Atomic number of Cr and Fe are 24 and 26 respectively. Which of the following is paramagnetic with the spin of electron?

A

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B

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C

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D

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Solution

The correct option is A
All metal carbonyls are diamagnetic cyanide complexes are also diamagnetic. Cyanide ion and Carbonyls are strong field ligands causing d-orbital electrons of metal ion to pair up.

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Similar questions

Q. Atomic numbers of Cr and Fe are respectively 24 and 26. Which of the following is paramagnetic with spin of electron?

Q. The atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagnetic with the spin of the electron:

Q. The d electron configuration of

C r^{2 +}, M n^{2 +}, F e^{2 +} a n d N i^{2 +} a r e 3 d^{4}, 3 d^{5}, 3 d^{6} a n d 3 d^{8}

respectively. Which one of the following aqua complex will exhibit the minimum paramagnetic behaviour? (At. No.

C r = 24, M n = 25, F e = 26, N i = 28

)

Q. The d-electron configurations of

C r^{2 +}, M n^{2 +}, F e^{2 +}

C o^{2 +}

d^{4}, d^{5}, d^{6}

d^{^{7}}

respectively. Which one of the following will exhibit minimum paramagnetic behaviour ?

(Atomic numbers of Cr

= 24, M n = 25, F e = 26, C o = 27)

Q. The d-electron configuration of

C r^{2 +}, M n^{2 +}, F e^{2 +} and C o^{2 +}

d^{4}

d^{5}

d^{6}

d^{7}

respectively. Which one of the following will exhibit minimum paramagnetic behaviour? (Atomic number of Cr=24, Mn=25, Fe =26, Co=27)

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