NCERT Class XI Chemistry The s-Block Elements Solutions
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Question : 30
Total: 32
Which of the alkali metal is having least melting point ?
(a) Na
(b) K
(c) Rb
(d) Cs
(a) Na
(b) K
(c) Rb
(d) Cs
Solution:
(d) : Cs → Least melting point.
As the size of metal increases, the metallic bonding decreases and melting point decreases.
As the size of metal increases, the metallic bonding decreases and melting point decreases.
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