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AIPMT PRELIMS2012Chemistry-Coordination Compounds

AIPMT PRELIMS 2012 Chemistry Hybridization and Magnetic Properties MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?

A

[Co(NH₃)₆]³⁺

B

[Ni(NH₃)₆]²⁺

C

[Zn(NH₃)₄]²⁺

D

[Cr(NH₃)₆]³⁺

Correct Answer

Option B

Detailed Explanation

[Ni(NH₃)₆]²⁺ is an outer orbital complex with sp³d² hybridization and exhibits paramagnetic behavior due to unpaired electrons.

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