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Among the following which will have the ...

Among the following which will have the lowest melting point and the highest solubility in polar solvent: `LiCl, BeCl_2, BCl_3, "CCl"_4`

A

`"CCl"_4, LiCl`

B

`LiCl, "CCl_4`

C

`BeCl_2, BCl`

D

`BCl_3, BeCl_2`

Text Solution

Verified by Experts

The correct Answer is:
A
Applying Fajans. rule, the decreasing order of covalent character is: `"CCl"_4 gt BCl_3 gt BeCl_2 gt LiCl` . Therefore, `"CCI"_4` has the lowest melting point and LiCI has the highest solubility in polar solvent (e.g. `H_2O`)
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