NEET Chemistry: Solutions — MCQ Test 2

Q6. A solution boils at 100.208°C at 1 atm. What is the molality if \( K_b = 0.52 \, \text{K kg mol}^{-1} \)?

Q7. A solution of two volatile liquids has vapor pressures of 500 mm Hg and 700 mm Hg. If the total vapor pressure is 580 mm Hg, what is the mole fraction of the first component in the vapor phase?

Q8. A solution boils at 100.13°C at 1 atm. What is the molality if \( K_b = 0.52 \, \text{K kg mol}^{-1} \)?

Q9. How many grams of MgCl₂ (molar mass = 95 g/mol) are needed to prepare 500 mL of a 0.3 M solution?

Q10. A gas has a Henry’s law constant of 200 bar. If its partial pressure is 4 bar, what is the mole fraction in the solution?

NEET Chemistry — Solutions

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What is the mole fraction of chloroform (molar mass = 119.5 g/mol) in a solution containing 59.75 g of chloroform and 36 g of water?

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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 Fraction, Chloroform, Solution, Containing, Pressure, and Decreases.

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. What is the mole fraction of chloroform (molar mass = 119.5 g/mol) in a solution containing 59.75 g of chloroform and 36 g of water?

  • A. 0.2
  • B. 0.25
  • C. 0.33
  • D. 0.5

Q2. The vapor pressure of a solvent decreases from 50 mm Hg to 47 mm Hg when a non-volatile solute is added. If an additional amount of the same solute is added to double the molality, what will be the new vapor pressure?

  • A. 45 mm Hg
  • B. 44 mm Hg
  • C. 46 mm Hg
  • D. 43 mm Hg

Q3. A gas has a partial pressure of 3 bar above a solution, and its Henry’s law constant is 150 bar. What is the mole fraction of the gas in the solution?

  • A. 0.02
  • B. 0.03
  • C. 0.015
  • D. 0.05

Q4. How many grams of NaCl (molar mass = 58.5 g/mol) are required to prepare 400 mL of a 0.25 M solution?

  • A. 5.5 g
  • B. 5.85 g
  • C. 6.0 g
  • D. 4.5 g

Q5. What is the mass percentage of a solution prepared by dissolving 25 g of sugar in 75 g of water?

  • A. 25%
  • B. 33.33%
  • C. 20%
  • D. 75%

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