AS Level Chemistry Paper 1 · Multiple Choice practice papers

Propene reacts with HBr.
What is the major product and the type of reaction?

Hydrogen bonding affects the properties of compounds.
1    Ice is less dense than liquid water because hydrogen bonds hold the molecules in an open lattice.
2    Water has a higher boiling point than hydrogen sulfide because of hydrogen bonding.
3    Hydrogen bonds are stronger than covalent bonds.
Which statements are correct?

1. A 1, 2 and 3
2. B 1 and 2 only
3. C 1 only
4. D 2 only

Which substance has a giant molecular (covalent) lattice?

1. A sodium chloride
2. B silicon dioxide
3. C iodine
4. D ice

Which compound is a primary amine?

1. A CH₃CH₂NH₂
2. B (CH₃)₂NH
3. C CH₃CONH₂
4. D (CH₃)₃N

What type of polymerisation forms poly(ethene)?

1. A addition
2. B substitution
3. C condensation
4. D hydrolysis

50 g of solution rises by 9.8 K when 0.065 mol of reactant reacts. What is ΔH in kJ mol⁻¹?

1. A −315 kJ mol⁻¹
2. B −63 kJ mol⁻¹
3. C −31.5 kJ mol⁻¹
4. D −15.8 kJ mol⁻¹