Multiple choice

Which of the following complexes are diamagnetic in nature? P. [CoF6]3- Q. [Fe(CN)6]4- R. Zn(H2O)6]2+ S. [Cr(H2O)6]3+

  1. Only P and Q

  2. Only P and S

  3. Only Q and R

  4. Only Q and S

  5. Only R and S
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is incorrect. [Fe(CN)6]4- is an inner orbital complex with octahedral geometry (d2sp3 hybridisation); No unpaired electrons; diamagnetic

Zn(H2O)6]2+ is an outer orbital complex with square planar geometry (sp3d2 hybridisation); No unpaired electrons; diamagnetic

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