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.Which of the alkali metal is having lea...

.Which of the alkali metal is having least melting point?

A

`Na`

B

`K`

C

`Rb`

D

`Cs`

Text Solution

Verified by Experts

d. As the size of the metal increases, the strength of metallic bonding decreases and hence its melting point decreases. Since the size of `Cs` is the largest, therefore, its melting point is the lowest. Thus, option (d) is correct.
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