JEE Main 2024 Chemistry question
Match List-I with List-II List-I (Tetrahedral Complex): (A) TiCl₄ (B) [FeO₄]²⁻ (C) [FeCl₄]⁻ (D) [CoCl₄]²⁻ List-II (Electronic configuration): (I) e², t₂⁰ (II) e⁴, t₂³ (III) e⁰, t₂⁰ (IV) e², t₂³
Answer: (D)
Solution
Ti(IV) d⁰ (e⁰t₂⁰), Fe(VI) d² (e²t₂⁰), Fe(III) d⁵ (e²t₂³), Co(II) d⁷ (e⁴t₂³).