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Arrange the following compounds in increasing order of their solubilities in chloroform:
$\mathrm{NaCl}, \mathrm{CH}_3 \mathrm{OH}$, cyclohexane, $\mathrm{CH}_3 \mathrm{CN}$
Options:
$\mathrm{NaCl}, \mathrm{CH}_3 \mathrm{OH}$, cyclohexane, $\mathrm{CH}_3 \mathrm{CN}$
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Verified Answer
The correct answer is:
$\mathrm{NaCl} \lt \mathrm{CH}_3 \mathrm{CN} \lt \mathrm{CH}_3 \mathrm{OH} \lt $ Cyclohexane
Since $\mathrm{CHCl}_3$ is an organic solvent so, covalent (non-polar) compounds will be more soluble in it. As the dipole moment of solute increases, solubility in chloroform decreases. Hence increasing order of solubility.
$\mathrm{NaCl} \lt \mathrm{CH}_3 \mathrm{CN} \lt \mathrm{CH}_3 \mathrm{OH} \lt $ Cyclohexane
$\mathrm{NaCl} \lt \mathrm{CH}_3 \mathrm{CN} \lt \mathrm{CH}_3 \mathrm{OH} \lt $ Cyclohexane
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