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Which of the following compounds has the lowest melting point?

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+3 votes
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asked Jul 24, 2017 in Chemistry by HariOm Vaja (2,713 points) ● 4 ● 30 ● 137
A.CaCl2

B.CaBr2

C.CaI2

D.CaF2

1 Answer

+2 votes
answered Jul 24, 2017 by Rohit Singh (61,782 points) ● 35 ● 133 ● 357
selected Jul 25, 2017 by sarthaks
 
Best answer

Correct Answer is CaI2

As covalent character increases, melting point decreases, thus order of melting point is 

CaF2 > CaCl2 > CaBr2 > CaI2

commented Jul 24, 2017 by HariOm Vaja (2,713 points) ● 4 ● 30 ● 137
Thnx, it was really helpful
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