NEET Chemistry: Equilibrium — MCQ Test 2

Q6. The \( K_{sp} \) of \( \ce{CaCO3} \) is \( 3.8 \times 10^{-9} \). What is its solubility in pure water in mol/L?

Q7. For \( \ce{A(g) <=> 2B(g)} \), \( K_c = 0.16 \) at 400 K. If 0.5 mol \( \ce{A} \) is in a 1 L vessel, what is \( [\ce{B}] \) at equilibrium?

Q8. For \( \ce{2A(g) <=> B(g)} \), \( K_c = 0.25 \) at 500 K. If 0.4 mol \( \ce{A} \) is in a 2 L vessel, what is the degree of dissociation?

Q9. For the reaction \( \ce{PCl5(g) <=> PCl3(g) + Cl2(g)} \), if \( K_p = 1.8 \) at 500 K and \( R = 0.0831 \, \text{bar L/mol K} \), what is \( K_c \)?

Q10. A solution of \( \ce{HA} \) (\( K_a = 1.0 \times 10^{-6} \)) has a pH of 4. What is the concentration of \( \ce{HA} \)?

NEET Chemistry — Equilibrium

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Medium

The \( K_a \) of \( \ce{HNO2} \) is \( 4.5 \times 10^{-4} \). What is the \( K_b \) of \( \ce{NO2-} \) at 298 K?

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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 Equilibrium. 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 Equilibrium, Constant, Temperature, Position, Pressure, and Solubility.

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. The \( K_a \) of \( \ce{HNO2} \) is \( 4.5 \times 10^{-4} \). What is the \( K_b \) of \( \ce{NO2-} \) at 298 K?

  • A. \( 4.5 \times 10^{-4} \)
  • B. \( 1.0 \times 10^{-14} \)
  • C. \( 5.0 \times 10^{-10} \)
  • D. \( 2.22 \times 10^{-11} \)

Q2. For \( \ce{2P(g) <=> Q(g)} \), if \( K_p = 0.1 \) at 500 K (\( R = 0.0831 \, \text{bar L/mol K} \)), what is \( K_c \)?

  • A. 4.155
  • B. 0.1
  • C. 0.0024
  • D. 41.55

Q3. In the equilibrium \( \ce{A2(g) <=> 2A(g)} \), if \( K_p = 0.5 \) at 400 K, what happens when the volume is doubled at constant temperature?

  • A. Shifts left
  • B. Shifts right
  • C. No shift
  • D. \( K_p \) increases

Q4. Which factor does not affect the position of equilibrium in \( \ce{A(g) + B(g) <=> C(g)} \)?

  • A. Pressure
  • B. Temperature
  • C. Concentration
  • D. Catalyst

Q5. For \( \ce{2SO3(g) <=> 2SO2(g) + O2(g)} \), \( K_p = 0.01 \) at 900 K. If 1 mole of \( \ce{SO3} \) is placed in a 1 L vessel, what is the partial pressure of \( \ce{O2} \) at equilibrium (\( R = 0.0831 \, \text{bar L/mol K} \))?

  • A. 0.972 bar
  • B. 1.5 bar
  • C. 0.5 bar
  • D. 2.0 bar

+ 5 more questions in the actual test

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