JEE Main 2024 Chemistry question
Match List I with List II List I (Complex ion): A. [Cr(H₂O)₆]³⁺, B. [Fe(H₂O)₆]³⁺, C. [Ni(H₂O)₆]²⁺, D. [V(H₂O)₆]³⁺ List II (Electronic Configuration): I. t₂g²⁰, II. t₂g³², III. t₂g³⁰, IV. t₂g⁶² Choose the correct answer from the option given below:
Answer: (D)
Solution
Cr³⁺ is d³ (t₂g³⁰) → III; Fe³⁺ (with weak-field H₂O) is d⁵ high-spin (t₂g³²) →
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