Alkali metal from the following with least melting point is: (A) Rb (B) Na (C) K (D) Cs — JEE Mains Chemistry Past Papers Chemistry Question
Question
Alkali metal from the following with least melting point is: (A) Rb (B) Na (C) K (D) Cs
Answer: D
💡 Solution & Explanation
On moving down the group size of the kernel increases so metallic bond strength decreases and hence melting point decreases.
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