The two complexes PtCI₄ . 2NH₃ and PtCI₄ . 2KCI do not give precipitate of AgCI when treate with AgNO₃. The structures o
[Pt(NH₃)2CI₄] and K₂[PtCI₆] correct as per chemistry principle.
Ref: NCERT Chemistry Class XII — Coordination Compounds
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Which complex has a coordination number of 4 and is diamagnetic?
[Ni(CN)4]2− (Ni₂+, d8) with 4 strong field CN− ligands is square planar and diamagnetic (0 unpaired electrons).
Ref: NCERT Class 12 Chemistry > Chapter 5: Coordination Compounds > Topic: Werner's Theory and Definitions - Ligands Coordination Number
Which of the following is NOT a property of transition metal complexes?
Transition metal complexes are typically colored due to d-d transitions.
Ref: NCERT Class 12 Chemistry > Chapter 4: d and f Block Elements > Topic: General Properties of d-Block - Electronic Configuration and Trends
