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Standard X
Chemistry
Exceptions in Physical Properties
Which of the ...
Question

Which of the alkali metal is having least melting point ?

A
Na
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B
K
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C
Rb
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D
Cs
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Solution

The correct option is D Cs
Among the given alkali metals, Cs has least melting point. Cs ha large atomic size and weaker mettalic bonds. Hence, it has low melting point.

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