Which of the following compound show a charge-transfer band? · ABC26IN0992
Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Charge Transfer Spectra · Exam: CSIR NET JUNE 2011 · Marks: 2 · Difficulty: Easy
Which of the following compound show a charge-transfer band?
(a)Lanthanum nitrate.
(b)Ceric ammonium nitrate
(c)Manganese (II) acetate
(d)Copper (II) sulphate pentahydrate
Answer
Answer: B ✓ checked by 4AB · confidence high
Explanation
Ce(IV) (f⁰) in ceric ammonium nitrate shows an intense O→Ce ligand-to-metal charge-transfer band (orange colour); La³⁺ and Mn²⁺/Cu²⁺ show no CT band in the visible (b).