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RE-NEET2024Chemistry-Solubility

RE-NEET 2024 Chemistry Solubility in Non-polar Solvents MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Arrange the following compounds in increasing order of their solubilities in chloroform: NaCl, CH₃OH, cyclohexane, CH₃CN

A

NaCl < CH₃CN < CH₃OH < Cyclohexane

B

CH₃OH < CH₃CN < NaCl < Cyclohexane

C

NaCl < CH₃OH < CH₃CN < Cyclohexane

D

Cyclohexane < CH₃CN < CH₃OH < NaCl

Correct Answer

Option A

Detailed Explanation

✅ Correct Answer: A — Option 1

NaCl<CH3CN<CH3OH<Cyclohexane\boxed{\mathrm{NaCl < CH_3CN < CH_3OH < Cyclohexane}}

The official NEET 2024 re-examination answer is Option (1). (CloudFront)

Why?

Chloroform (CHCl3)(CHCl_3) is an organic solvent. For this question, increasing polarity/dipole interaction of the solute corresponds to lower solubility in chloroform:

  • NaCl → ionic → least soluble
  • CH₃CN → higher dipole moment → less soluble than CH₃OH
  • CH₃OH → more soluble than CH₃CN
  • Cyclohexane → non-polar → most compatible with organic chloroform

Therefore:

NaCl<CH3CN<CH3OH<Cyclohexane\boxed{\text{NaCl}<\text{CH}_3\text{CN}<\text{CH}_3\text{OH}<\text{Cyclohexane}}

Keep Answer: A (1). The green tick shown in your screenshot is correct. (esaral.com)

Chapter: Solutions — Class 12 Chemistry.

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