A level Chemistry Paper 2 Questions and
Answers Latest Update
1. Silver nitrate+ nitric acid + chloride ions - Correct Answer White precipitate
2. Silver nitrate+ nitric acid + bromide ions - Correct Answer Cream precipitate
3. Silver nitrate+ nitric acid + iodide ions - Correct Answer Yellow precipitate
4. Substances that decolorize bromine water - Correct Answer Alkenes
5. Electrophiles - Correct Answer Electron pair acceptors, attracted to electrons
e.g. H+
6. Nave and Nalco - Correct Answer Produces misty fumes with conk sulphuric
acid
7. Nab - Correct Answer Produces misty and orange/brown fumes with conk
sulphuric acid
8. Nail - Correct Answer Produces misty fumes, purple vapor, bad egg smell with
conk sulphuric acid
9. Le hoteliers principle - Correct Answer If a factor affecting the equilibrium is
changed the equilibrium will shift to oppose this change
10. Enthalpy change - Correct Answer The overall temperature change at a
constant pressure of a reaction
11. Hess's law - Correct Answer The overall enthalpy change of a reaction at a
constant pressure is independent to the route taken
12. Why does E-Z isomerism occur - Correct Answer Due to the restriction of the
double carbon bond
13. Positional isomers - Correct Answer The functional group is attached to a
different carbon
14. Functional group isomers - Correct Answer Same atoms arranged into different
functional groups e.g. cyclohexane and hexane
, 15. Dative covalent bond - Correct Answer A bond of shared electrons where both
electrons are supplied from one of the atoms
16. Kelvin - Correct Answer Temperature in degrees Celsius + 273
17. Meters cubed - Correct Answer The unit of volume in ideal gas equation
18. Number of particles= - Correct Answer Number of moles x Avogadro’s constant
19. Linear - Correct Answer 2 bonding pairs, 0 lone pairs, 180 bond angle
20. Trigon planar - Correct Answer 3 bonding pairs, 0 lone pairs, 120 bond angle
21. Tetrahedral - Correct Answer 4 bonding pairs, 0 lone pairs, 109.5 bond angle
22. Trigon pyramidal - Correct Answer 5 bonding pairs, 0 lone pairs, 90 and 120
bond angle
23. Pyramidal - Correct Answer 3 bonding pairs, 1 lone pair, 107 bond angle
24. Bent/ v shaped - Correct Answer 2 lone pairs, 2 bonding pairs, 104.5 bond
angle
25. Octahedral - Correct Answer 6 bonding pairs, 0 lone pairs , 90 bond angle
26. T shaped - Correct Answer 2 lone pairs, 3 bond pairs
27. Electronegativity - Correct Answer The power of an atom to attract the pair of
electrons in a covalent bond
28. Standard conditions - Correct Answer 100kPa and 298k
29. Standard enthalpy of formation - Correct Answer The enthalpy change when 1
mole of a substance is formed from its elements under standard conditions
30. Standard enthalpy of combustion - Correct Answer The enthalpy change when
1 mole of a substance undergoes complete combustion under standard
conditions
31. Standard enthalpy of atomization - Correct Answer The enthalpy change when
1 mole of gaseous atoms of a substance are formed from the substance in its
standard state under standard conditions
32. Standard enthalpy of neutralization - Correct Answer The enthalpy change
when 1 mole of water is produced by the reaction of an acid and a base under
standard conditions
Answers Latest Update
1. Silver nitrate+ nitric acid + chloride ions - Correct Answer White precipitate
2. Silver nitrate+ nitric acid + bromide ions - Correct Answer Cream precipitate
3. Silver nitrate+ nitric acid + iodide ions - Correct Answer Yellow precipitate
4. Substances that decolorize bromine water - Correct Answer Alkenes
5. Electrophiles - Correct Answer Electron pair acceptors, attracted to electrons
e.g. H+
6. Nave and Nalco - Correct Answer Produces misty fumes with conk sulphuric
acid
7. Nab - Correct Answer Produces misty and orange/brown fumes with conk
sulphuric acid
8. Nail - Correct Answer Produces misty fumes, purple vapor, bad egg smell with
conk sulphuric acid
9. Le hoteliers principle - Correct Answer If a factor affecting the equilibrium is
changed the equilibrium will shift to oppose this change
10. Enthalpy change - Correct Answer The overall temperature change at a
constant pressure of a reaction
11. Hess's law - Correct Answer The overall enthalpy change of a reaction at a
constant pressure is independent to the route taken
12. Why does E-Z isomerism occur - Correct Answer Due to the restriction of the
double carbon bond
13. Positional isomers - Correct Answer The functional group is attached to a
different carbon
14. Functional group isomers - Correct Answer Same atoms arranged into different
functional groups e.g. cyclohexane and hexane
, 15. Dative covalent bond - Correct Answer A bond of shared electrons where both
electrons are supplied from one of the atoms
16. Kelvin - Correct Answer Temperature in degrees Celsius + 273
17. Meters cubed - Correct Answer The unit of volume in ideal gas equation
18. Number of particles= - Correct Answer Number of moles x Avogadro’s constant
19. Linear - Correct Answer 2 bonding pairs, 0 lone pairs, 180 bond angle
20. Trigon planar - Correct Answer 3 bonding pairs, 0 lone pairs, 120 bond angle
21. Tetrahedral - Correct Answer 4 bonding pairs, 0 lone pairs, 109.5 bond angle
22. Trigon pyramidal - Correct Answer 5 bonding pairs, 0 lone pairs, 90 and 120
bond angle
23. Pyramidal - Correct Answer 3 bonding pairs, 1 lone pair, 107 bond angle
24. Bent/ v shaped - Correct Answer 2 lone pairs, 2 bonding pairs, 104.5 bond
angle
25. Octahedral - Correct Answer 6 bonding pairs, 0 lone pairs , 90 bond angle
26. T shaped - Correct Answer 2 lone pairs, 3 bond pairs
27. Electronegativity - Correct Answer The power of an atom to attract the pair of
electrons in a covalent bond
28. Standard conditions - Correct Answer 100kPa and 298k
29. Standard enthalpy of formation - Correct Answer The enthalpy change when 1
mole of a substance is formed from its elements under standard conditions
30. Standard enthalpy of combustion - Correct Answer The enthalpy change when
1 mole of a substance undergoes complete combustion under standard
conditions
31. Standard enthalpy of atomization - Correct Answer The enthalpy change when
1 mole of gaseous atoms of a substance are formed from the substance in its
standard state under standard conditions
32. Standard enthalpy of neutralization - Correct Answer The enthalpy change
when 1 mole of water is produced by the reaction of an acid and a base under
standard conditions
