First ionisation energy of alkali metals is very low but se…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Alkali Metals Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

First ionisation energy of alkali metals is very low but second ionisation energy is very high because.

Alkali metals acquire noble gas configuration after losing one electron

A large amount of energy is required to remove electron from a cation

Alkali metals can form only univalent ions

First group elements can lose only one electron.

Text Solution

Verified by Experts

The correct answer is:

Alkali metals attain noble gas configuration after losing one electron. It is very difficult to take out electron from a stable configuration.

e.g.

Previous Question Next Question

Get practice questions, solutions, and test series in one place.

Share your experience with this question and solution.

Send your comment, doubt, correction, or feedback to admin.

What students say about this solution

No reviews yet. Be the first to write a review.