A metal complex with a formula is involved in spd hybridisation. It upon reaction with excess of solution gives '' moles of AgCl. '' is equal to the number of lone pairs of electron present in centr

Question

A metal complex with a formula  is involved in spd hybridisation. It upon reaction with excess of  solution gives '' moles of AgCl. '' is equal to the number of lone pairs of electron present in central atom of . Then the number of geometrical isomers exhibited by the complex is .

Canvas Classes · Accepted Answer

🧠 Three-Step Problem

Step 1:  hybridisation → octahedral. So coordination number = 6.
Step 2:  has 3 NH₃ + (4 - ) Cl outside, with inner-sphere = 3 NH₃ +  Cl such that . So formula: .
Step 3: AgCl precipitate count = outer-sphere Cl⁻ = 1 mole.

🗺️ Verify  via

has central Br with 5 F bonds + 1 lone pair (square pyramidal geometry,  at Br).
Lone pairs on Br = 1. ✓ Matches .

🗺️ Geometric Isomers of

Type  octahedral → fac (3 like ligands on one face) and mer (3 like ligands on a meridian).

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