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{{(NH_3)}_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.
