For and which of the following statements is correct?

Chemistry D and F - Block Elements General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Only

is colourless and

and

are coloured.

All the ions are colured

All the ions are colourless

and

are colourless while

and

are colured.

Text Solution

Verified by Experts

The correct answer is:

has zero unpaired electron (colourless)

has 2 unpaired electrons (coloured)

has 1 unpaired electron (coloured)

has 4 unpaired electrons (coloured)

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