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Lattice Energy

Which of the ...

Question

Which of the following alkali metal chlorides is expected to have the highest melting point?

A

LiCl

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B

NaCl

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C

KCl

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D

RbCl

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Solution

The correct option is B NaCl
Although lattice energy if LiCl is higher than that of NaCl butr LiCl is covalent in nature and NaCl is ionic. After NaCl, lattice energy decreases as the size of the alkali metal ion increases. As melting point depends upon lattice energy and ionic/covalent nature of the compound, NaCl has the highest melting point.

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Similar questions

Q. Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point.

Q. Based on the lattice energy and other considerations, which of the following alkali metal chloride is expected to have highest melting point?

Q. Which one of the following alkali metal chlorides has the highest melting point?

Q. The alkali metals have low melting point. Which of the following alkali metal is expected to melt if the room temperature rises to

30^{o} C

?

Q. Lattice energy of alkali metal chlorides is in order:

L i C l > N a C l > K C l > R b C l > C s C l

Answer whether the above statement is true or false.
If true enter 1, else enter 0.

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