Question

Assertion : The melting and boiling points of the alkali metals are low.
Reason : Alkali metals have weak metallic bonding.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (B)

Alkali metals have weak metallic bonding due to the presence of only a single valence electron in them.