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Question

Chemistry Question on GROUP 1 ELEMENTS

Which of the following compounds has the lowest melting point ?

A

CaF2 CaF_2

B

CaCl2CaCl_2

C

CaBr2CaBr_2

D

Cal2 Cal_2

Answer

Cal2 Cal_2

Explanation

Solution

Melting point \propto lattice energy Melting point CaF2>CaCl2>CaBr2>CaI2CaF _{2}> CaCl _{2}> CaBr _{2}> CaI _{2}