Chemistry, asked by BrainlyHelper, 1 year ago

Question 10.30 Which of the alkali metal is having least melting point?

(a) Na (b) K (c) Rb (d) Cs

Class XI The s-Block Elements Page 306

Answers

Answered by abhi178
1

(D) is correct , Because as the size if the metal increases, the strength of the metallic bonding decreases and hence its melting point decreases. Therefore Cs has least melting point.
Answered by nagathegenius
0

Answer:

Explanation:

the alkali metal which has highest covalent character shows least melting point

here cs has more covalent character. therefore it shows least melting point

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