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DP IB Chemistry: SL

Topic Questions

Home / IB / Chemistry: SL / DP / Topic Questions / 8. Acids & Bases / 8.1 Theories & Reactions of Acids & Bases / Multiple Choice: Paper 1


8.1 Theories & Reactions of Acids & Bases

Question 1

Marks: 1

The typical reactions of dilute acids include them being able to react with

  1. NaHCO3
  2. Mg
  3. Cu
  • I and II only

  • I and III only

  • II and III only

  • I, II and III

Choose your answer
  

Question 2

Marks: 1

The following reaction occurs between concentrated sulfuric and nitric acids.

H2SO4 + HNO3 ⇋  H2NO3+ + HSO4-

Identify the two species which are acting as Brønsted–Lowry bases.

  • H2NO3+ and HSO4-

  • HNO3 and H2NO3+

  • H2SO4 and HSO4- 

  • HNO3 and HSO4-

Choose your answer
  

Question 3

Marks: 1

What role does each species play in the equilibrium below according to Brønsted-Lowry theory?

CH3COOH + HCl  ⇌ CH3COOH2+ + Cl-

 

CH3COOH

HCl

CH3COOH2+

Cl-

A

acid

base

base

acid

B

acid

base

acid

base

C

base

acid

base

acid

D

base

acid

acid

base

    Choose your answer
      

    Question 4

    Marks: 1

    Perbromic acid, HBrO4 , is an example of a strong acid when dissolved in water. What is true about perbromic acid?

    • HBrO4 is largely found as molecules in the solution

    • HBrO4 solution reacts only with strong bases

    • HBrO4 is fully dissociated in solution

    • HBrO4 has a pH greater than 7

    Choose your answer
      

    Question 5

    Marks: 1

    Potassium hydrogenphosphate has the formula K2HPO4 . What is the conjugate base of this compound?

    • H2PO4-

    • KHPO42-

    • PO43-

    • KH2PO4

    Choose your answer
      

    Question 6

    Marks: 1

    For the equilibrium equation shown, which species are Brønsted-Lowry acids?

    H3NSO3 (aq) + 2NH3 (aq) ⇌ HNSO32- (aq) + 2NH4+ (aq)

    • NH4+ and NH3

    • NH4+ and HNSO32-

    • H3NSO3 and HNSO32-

    • H3NSO3 and NH4+

    Choose your answer
      

    Question 7

    Marks: 1

    Which would be formed when calcium oxide reacts with hydrochloric acid ?

    • Calcium chloride and carbon dioxide

    • Calcium chloride, hydrogen gas and water

    • Calcium, hydrogen gas and water

    • Calcium chloride and water

    Choose your answer
      

    Question 8

    Marks: 1

     What is the sum of the coefficients when the following acid-base equation is balanced?

    _HNO3 (aq) + _Mg(HCO3)2 (s) →  _Mg(NO3)2 (aq) + _H2O (l) + _CO2  (g)

    • 5

    • 6

    • 7

    • 8

    Choose your answer
      

    Question 9

    Marks: 1

    Which oxides react with calcium oxide?

    1. SO2
    2. NO2
    3. K2O
    • I and II only

    • I and III only

    • II and III only

    • I, II and III

    Choose your answer
      

    Question 10

    Marks: 1

    Which row correctly describes the reaction specified?

     

    Reaction

    Energy change

    A

    metal displacement

    endothermic

    B

    neutralisation

    exothermic

    C

    combustion

    endothermic

    D

    melting ice

    exothermic

      Choose your answer