Equilibrium MCQ

Test your knowledge with important Equilibrium MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Equilibrium MCQs on Bissoy. Bissoy App

• Acid strength increases in the order of _____________
  ক

  HF ≪ HCl ≪ HBr ≪ HI

  খ

  HF ≪ HBr ≪ HCl ≪ HI

  গ

  HI ≪ HCl ≪ HBr ≪ HF

  ঘ

  HCl ≪ HF ≪ HBr ≪ HI
• What is the pH of the solution of sulphuric acid having a concentration of 0.01M?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• Formic acid has a concentration of 0.1M and Ka is 1.77 x 10-4. What is the value of degree of dissociation?
  ক

  4

  খ

  4.2

  গ

  0.42

  ঘ

  42
• What is the hydrolysis constant of a weak acid-weak base?
  ক

  KW/Kb

  খ

  KW/Ka

  গ

  KW/KaKb

  ঘ

  1/KaKb
• Why is the aqueous solution of a salt of a weak acid and strong base is alkaline?
  ক

  utilization

  খ

  neutralization

  গ

  cationic hydrolysis

  ঘ

  anionic hydrolysis
• What is the reverse process of Neutralization?
  ক

  formation

  খ

  hydrolysis

  গ

  reaction

  ঘ

  splitting
• NaCl is a ________ salt.
  ক

  Normal

  খ

  Acidic

  গ

  Basic

  ঘ

  Double
• A neutralization reaction results in the formation of _______________
  ক

  salts

  খ

  acid

  গ

  base

  ঘ

  hydrogen
• Which of the following has a PH greater than 7?
  ক

  gastric juice

  খ

  vinegar

  গ

  blood plasma

  ঘ

  lemon juice
• What is the pKW at 298 k?
  ক

  14

  খ

  7

  গ

  1

  ঘ

  0
• The ionization constant of water increases with increase in temperature.
  ক

  true

  খ

  false
• What is the value of the ionic product of water at 298k?
  ক

  7 x 10-14/mol2L2

  খ

  1 x 10-10/mol2L2

  গ

  1 x 10-14/molL2

  ঘ

  1 x 10-14/mol2L2
• Which of the following is not a Lewis acid?
  ক

  aluminium chloride

  খ

  sodium ion

  গ

  sulphur tetrafluoride

  ঘ

  hydroxide ion
• Water in case of HCl acts as a/an ___________, in case of ammonia acts as a/an ________
  ক

  base, base

  খ

  base, acid

  গ

  acid, base

  ঘ

  acid, acid
• Hydroxide ion is a bronsted base.
  ক

  true

  খ

  false
• Which of the following is the strongest hydracid known?
  ক

  HCN

  খ

  HClO4

  গ

  HCl

  ঘ

  HNO3
• Identify a conjugate pair in the equation: NH3 + H2O \(\rightleftharpoons\) NH4+ + OH–.
  ক

  ammonia and water

  খ

  water and hydroxide ion

  গ

  ammonium ion and hydroxide ion

  ঘ

  ammonia and hydroxide ion
• Lewis concept does explain the behaviour of __________
  ক

  bases

  খ

  salts

  গ

  protonic acids

  ঘ

  amphoteric substances
• Silver ion is a Lewis acid.
  ক

  True

  খ

  False
• Which of the following is a Lewis base?
  ক

  ammonia

  খ

  magnesium chloride

  গ

  aluminium chloride

  ঘ

  sodium ion
• Which of the following substances cannot act as both acid as well as a base?
  ক

  amphoteric substance

  খ

  amphiprotic substance

  গ

  ampholyte

  ঘ

  protophilic
• A strong acid has a ______________
  ক

  weak conjugate acid

  খ

  weak conjugate base

  গ

  strong conjugate base

  ঘ

  strong conjugate acid
• Arrhenius theory could not explain the acidic and basic behaviour in non-aqueous solutions.
  ক

  true

  খ

  false
• A proton donor is a ____________ substance.
  ক

  protongenic

  খ

  protophilic

  গ

  amphoteric

  ঘ

  amphiprotic
• HCl is an Arrhenius ___________
  ক

  acid

  খ

  base

  গ

  salt

  ঘ

  water
• Bases turn red litmus blue.
  ক

  True

  খ

  False
• Which of the following is not a property of an acid according to Robert Boyle?
  ক

  turns blue Litmus red

  খ

  sour in taste

  গ

  neutralize bases

  ঘ

  bitter in taste
• Is a relationship between reaction quotient and Gibbs free energy at a temperature T?
  ক

  ΔG = ΔG0 + RT lnQ

  খ

  ΔG = ΔG0 + RT lnk

  গ

  ΔG = ΔG0 + R lnQ

  ঘ

  ΔD = ΔG0 + RT lnQ
• What happens when reaction quotient is equal to the equilibrium constant?
  ক

  the reaction proceeds in the forward direction

  খ

  the reaction proceeds in the backward direction

  গ

  the reaction reaches equilibrium

  ঘ

  cannot predict
• For a reaction, Kc = 3.81 × 10–3 and ΔG0 = 13.8 kJ/mol. Then what is the value of R?
  ক

  -8.314J mol–1K–1

  খ

  8.314J mol–1K–1

  গ

  cannot say as the temperature is not given

  ঘ

  -8.314J mol–1