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Chemical Bonding and Molecular Structure question

2024 · Q112
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Chemical Bonding and Molecular Structure question

2024 · Q112

NEETChemistryChemical Bonding and Molecular StructureMCQ+4 / −1

Arrange the following compounds in increasing order of their solubilities in chloroform: NaCl,CH3OH\mathrm{NaCl}, \mathrm{CH}_3 \mathrm{OH}NaCl,CH3​OH, cyclohexane, CH3CN\mathrm{CH}_3 \mathrm{CN}CH3​CN

  1. A
    NaCl<CH3CN<CH3OH<\mathrm{NaCl}<\mathrm{CH}_3 \mathrm{CN}<\mathrm{CH}_3 \mathrm{OH}<NaCl<CH3​CN<CH3​OH< Cyclohexane
  2. B
    CH3OH<CH3CN<NaCl<\mathrm{CH}_3 \mathrm{OH}<\mathrm{CH}_3 \mathrm{CN}<\mathrm{NaCl}<CH3​OH<CH3​CN<NaCl< Cyclohexane
  3. C
    NaCl<CH3OH<CH3CN<\mathrm{NaCl}<\mathrm{CH}_3 \mathrm{OH}<\mathrm{CH}_3 \mathrm{CN}<NaCl<CH3​OH<CH3​CN< Cyclohexane
  4. D
    Cyclohexane <CH3CN<CH3OH<NaCl<\mathrm{CH}_3 \mathrm{CN}<\mathrm{CH}_3 \mathrm{OH}<\mathrm{NaCl}<CH3​CN<CH3​OH<NaCl
View written solutionFree

Correct answer: A

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.

$$\mathrm{NaCl}<\mathrm{CH}_3 \mathrm{CN}<\mathrm{CH}_3 \mathrm{OH}<$$ Cyclohexane

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