ASChemistryCIEExam Questions3. Chemical Bonding3.2 Ionic Bonding

Syllabus Edition

First teaching 2023

First exams 2025

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Ionic Bonding (CIE AS Chemistry)

Exam Questions

41 mins13 questions

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3.2 Ionic Bonding

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3.2 Ionic Bonding

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11 mark

Which of the following compounds is not bonded ionically?

  • CaCO3

  • CH3OH

  • NaOH

  • BaCl2

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21 mark

Which statement correctly describes what happens when silicon tetrachloride is added to water?

  • The SiCl4 reacts to give an acidic solution only

  • The SiCl4 reacts to give a precipitate and an acidic solution

  • The SiCl4 reacts to give a precipitate and a neutral solution

  • The SiCl4 dissolves to give a neutral solution only

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31 mark

Magnesium oxide has a very high melting temperature.

Which of the following is the best description of its structure and bonding?

  • Giant ionic

  • Giant metallic

  • Macromolecular

  • Simple molecular

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11 mark

Which of the following compounds has both covalent and ionic bonds?

  • calcium chloride, CaCl2 

  • sodium nitrate, NaNO3

  • propanoic acid, CH3CH2COOH

  • 1,2-dibromoethane, CH2BrCH2Br

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21 mark

Which of the following statements about ions and ionic compounds is not correct? 

  • nitrogen can form a 3– ion

  • potassium can form a cation

  • the formula for aluminium chloride is AlCl2

  • the formula for ammonium phosphate is (NH4)3PO4

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31 mark

Which is the best description of ionic bonding?

  • electrostatic attraction between cations and electrons

  • electrostatic attraction between nuclei

  • electrostatic attraction between oppositely charged ions

  • electrostatic attraction of nuclei towards shared electrons in the bond between the nuclei

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11 mark

What are the correct formulas for the following ions? 

 

Phosphate

Ammonium

Ethanoate

Nitrite

A

PO43-

NH4+

CH3COO+

NO3-

B

PO32-

NH4-

CH3COO-

NO2-

C

PO43-

NH4+

CH3COO-

NO2-

D

PO42-

NH4+

CH3CH2COO-

NO3-

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    21 mark

    What is the correct formula for gallium phosphide?

    • Ga2P

    • GaP

    • Ga3P2

    • GaP2

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    31 mark

    What is the correct formula for aluminium sulfate?

    • Al3(SO4)2

    • Al(SO4)2

    • Al2(SO4)3

    • AlSO4

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