NEET Chemistry: Solutions — MCQ Test 15

Q6. What is the freezing point depression of a solution containing 18 g of sucrose (molar mass = 342 g/mol) in 400 g of water? (\( K_f = 1.86 \, \text{K kg mol}^{-1} \))

Q7. The van’t Hoff factor of a 0.1 m K₂SO₄ solution is 2.4. What is the boiling point elevation? (\( K_b = 0.52 \, \text{K kg mol}^{-1} \))

Q8. What is the boiling point elevation of a solution containing 12 g of glucose (molar mass = 180 g/mol) in 600 g of water? (\( K_b = 0.52 \, \text{K kg mol}^{-1} \))

Q9. What is the osmotic pressure of a 0.025 M solution of a non-electrolyte at 27°C? (\( R = 0.0821 \, \text{L atm mol}^{-1} \text{K}^{-1} \))

Q10. A solution contains 23 g of methanol (molar mass = 32 g/mol) and 72 g of water. If 64 g of water is added, what is the new mole fraction of methanol?

NEET Chemistry — Solutions

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A 0.25 M solution of a solute in 400 mL of water has an osmotic pressure of 1.845 atm at 27°C. If the solute dissociates into 2 ions, what is the degree of dissociation? (\( R = 0.0821 \, \text{L atm mol}^{-1} \text{K}^{-1} \))

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Solutions. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Solution, Pressure, Dissociates, Dissociation, Temperature, and Fraction.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A 0.25 M solution of a solute in 400 mL of water has an osmotic pressure of 1.845 atm at 27°C. If the solute dissociates into 2 ions, what is the degree of dissociation? (\( R = 0.0821 \, \text{L atm mol}^{-1} \text{K}^{-1} \))

  • A. 0.7
  • B. 0.9
  • C. 1
  • D. 0.8

Q2. The vapor pressure of pure water at a certain temperature is 50 mm Hg. What is the vapor pressure of a solution with a solute mole fraction of 0.1?

  • A. 45 mm Hg
  • B. 40 mm Hg
  • C. 50 mm Hg
  • D. 55 mm Hg

Q3. A 0.25 molal solution of a solute in water has a boiling point elevation of 0.26°C. If the solute dissociates into 2 ions, what is the degree of dissociation? (\( K_b = 0.52 \, \text{K kg mol}^{-1} \))

  • A. 0.8
  • B. 1
  • C. 0.9
  • D. 0.7

Q4. The solubility of a gas in a liquid increases with an increase in:

  • A. Pressure
  • B. Temperature
  • C. Volume
  • D. Density

Q5. The vapor pressure of pure water is 25 mm Hg at a certain temperature. A solution with a non-volatile solute has a vapor pressure of 23 mm Hg. If the solute’s molar mass is 60 g/mol, what is the mass of solute in 180 g of water?

  • A. 50 g
  • B. 51 g
  • C. 52.18 g
  • D. 53 g

+ 5 more questions in the actual test

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