Question:
Which of the following complexes is an outer orbital complex?
Which of the following complexes is an outer orbital complex?
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Weak ligand \(\Rightarrow\) outer orbital complex.
Updated On: Apr 16, 2026
- \([Co(NH_3)_6]^{3+}\)
- \([Fe(CN)_6]^{4-}\)
- \([Ni(NH_3)_6]^{2+}\)
- \([Mn(CN)_6]^{4-}\)
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The Correct Option is C
Solution and Explanation
Concept:
Outer orbital complexes use \(sp^3d^2\) hybridization (weak field ligands).
Step 1: Check ligand strength.
\(NH_3\) = weak field → outer orbital.
Step 2: Conclusion.
\([Ni(NH_3)_6]^{2+}\) is outer orbital.
Step 1: Check ligand strength.
\(NH_3\) = weak field → outer orbital.
Step 2: Conclusion.
\([Ni(NH_3)_6]^{2+}\) is outer orbital.
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