RE-NEET2024Chemistry-Inorganic Chemistry
RE-NEET 2024 Chemistry Electronic Spectra MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The UV⁻visible absorption bands in the spectra of lanthanoid ions are 'X', probably because of the excitation of electrons involving 'Y'. The 'X' and 'Y', respectively, are:
A
Broad and f orbitals
B
Narrow and f orbitals
C
Broad and d and f orbitals
D
Narrow and d and f orbitals
Correct Answer
Option B
Detailed Explanation
The absorption bands are narrow due to the shielding effect of the 4f orbitals, which are involved in the electronic transitions.
Found an issue with this question?
Related Questions
More from Inorganic Chemistry
More from 2024
Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
Respiratory SystemZoology
On heating, some solid substances change from solid to vapour state without passing through liquid state. The technique used for the purification of s...
Purification TechniquesChemistry