Which of the following statement is false for alkali metals? | CGP Edu

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Electronic Configuration and Physical Properties of Alkali Metals Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

Which of the following statement is false for alkali metals?

A

Alkali metals do not occur free in nature.

B

Alkali metal salts impart colour to the flame.

C

The softness of alkali metals decreases down the group with increasing atomic number.

D

Alkali metal tarnish in dry air.

Text Solution

Verified by Experts

The correct answer is:

Softness depends upon the strength of metallic bond. Softness

.

Down the group, with increase in size of atom, strength of metallic bond decreases. Hence, softness increases.

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