See image | AITS & Test Series — Chem-Mantra

AITS & Test SerieshardMCQ SINGLE

Question

See image

Answer: C

💡 Solution & Explanation

Colour is attributed to the presence of unpaired f-electrons. 3 1 3 5 Ce 4f , Sm 4f     3 0 3 14 La 4f , Lu 4f    

💬

Still have doubts about this question?

Send it to our AI chemistry tutor on WhatsApp — gets answered in minutes

AI-adaptive practice, video lectures, and full JEE Advanced Chemistry content — all in one place.

JEE Advanced · JEE Mains · NEET · IChO · AP Chemistry