Chemistry NCERT Exemplar Solutions Class 11th Chapter Ten Class 11th The S-block Elements Chemistry The S Block Elements

Alkali metals react with water vigorously to form hydroxides and dihydrogen. Which of the following alkali metals reacts with water least vigorously?

(i) Li

(ii) Na

(iii) K

(iv) Cs

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Answered by

Payal Gupta | Contributor-Level 10

8 months ago

This is a multiple choice type question as classified in NCERT Exemplar

Correct Option (i)

The reactivity of alkali metals increases on moving down the group. So, Li is least reactive. It will react with water least vigorously.

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Chemistry NCERT Exemplar Solutions Class 11th Chapter Ten 2025

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