D-And F-Block Elements Ques 248

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

[CBSE PMT 2002]

Options:

A) [Cr(NH3)6]+3

B) [Fe(CO)5]

C) [Fe(CN)6]4

D) [Cr(CO)6]

Show Answer

Answer:

Correct Answer: A

Solution:

All metal carbonyls are diamagnetic cyanide complexes are also diamagnetic.



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