Q.

In which of the following solvents should KCl be soluble at 25°C ? (D= Dielectric constant value)

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a

CCl4[D=0]

b

C6H6[D=0]

c

CH3OH[D=32]

d

CH3COCH3[D=2]

answer is D.

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Detailed Solution

Like dissolves like. Since KBr is a polar ionic compound, it will be soluble in a polar solvent. The solvent with a higher value of dielectric constant will provide maximum solubility. It will be most soluble in polar solvents, i.e. with the highest value of D.

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