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🛠️ JEE🧪 Chemistry

The correct order of the calculated spin-only magnetic moments of complexes (A) to (D) is : (A) \( \mathrm{Ni}(\mathrm{C…

Q1

The correct order of the calculated spin-only magnetic moments of complexes (A) to (D) is :

(A) \( \mathrm{Ni}(\mathrm{CO})_{4} \)

(B) \( \left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Cl}_{2} \)

(C) \( \mathrm{Na}_{2}\left[\mathrm{Ni}(\mathrm{CN})_{4}\right] \)

(D) \( \mathrm{PdCl}_{2}\left(\mathrm{PPh}_{3}\right)_{2} \)
[JEE Main 2020, 8 Jan (Shift 2)]

a

\( (\mathrm{A}) \approx(\mathrm{C})< \) (B) \( \approx \) (C) \( \quad \)

b

\( (\mathrm{A}) \approx(\mathrm{C}) \approx \) (D) \( < \) (B)

c

\( (\mathrm{C}) \approx(\mathrm{D})<(\mathrm{B})<(\mathrm{A}) \)

d

\( (\mathrm{C})< \) (D) \( < \) (B) \( < \) (A)

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