Skip to content

Salam Academy

Sign in Create account

Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

TopicSkillDifficulty

Sign in to check answers. Your attempts build your mastery and error book.

2730 questions · page 103 of 137 · choose a topic above to narrow them down

SA-AC-AT-0021 markL2 StandardCalculatorConfigurations

The electronic configuration of iron, Fe (

Z=26

), is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-AT-0031 markL2 StandardCalculatorConfigurations

The configuration of Fe³⁺ is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-AT-0041 markL2 StandardCalculatorConfigurations

The configuration of chromium, Cr (

Z=24

), is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-AY-0021 markL2 StandardCalculatorReactions

Ethanoyl chloride + ethanol gives

Salam Academy Original Practice · Proposed mark scheme

SA-AC-AY-0031 markL2 StandardCalculatorReactions

Propanoyl chloride + ammonia gives

Salam Academy Original Practice · Proposed mark scheme

SA-AC-AY-0041 markL2 StandardCalculatorReactions

Ethanoyl chloride + methylamine gives

Salam Academy Original Practice · Proposed mark scheme

SA-AC-AY-0051 markL2 StandardCalculatorMechanism

The mechanism for reaction of acyl chlorides with nucleophiles is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-BH-0031 markL2 StandardCalculatorFactors

Which has the most exothermic lattice energy?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-BH-0041 markL2 StandardCalculatorDefinitions

The second electron affinity of oxygen is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-BH-0051 markL2 StandardCalculatorDefinitions

The atomisation enthalpy of chlorine is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-BO-0021 markL2 StandardCalculatorCovalent and dative

Which species contains a dative bond?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-BO-0031 markL2 StandardCalculatorCovalent and dative

How many π bonds are in a molecule of ethyne,

\mathrm{HC{\equiv}CH}

?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-BO-0041 markL2 StandardCalculatorCovalent and dative

How many σ bonds are in ethene,

\mathrm{C_2H_4}

?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-BO-0051 markL2 StandardCalculatorIonic and metallic

Which has the strongest ionic bonding?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-CA-0031 markL2 StandardCalculatorEsters

Alkaline hydrolysis of methyl ethanoate with NaOH gives

Salam Academy Original Practice · Proposed mark scheme

SA-AC-CA-0041 markL2 StandardCalculatorEsters

Alkaline hydrolysis of esters is preferred over acid hydrolysis because it

Salam Academy Original Practice · Proposed mark scheme

SA-AC-CA-0051 markL2 StandardCalculatorCarboxylic acids

Propanenitrile hydrolysed with dilute acid under reflux gives

Salam Academy Original Practice · Proposed mark scheme

SA-AC-CB-0021 markL2 StandardCalculatorTests

Tollens' reagent gives a silver mirror with

Salam Academy Original Practice · Proposed mark scheme

SA-AC-CB-0031 markL2 StandardCalculatorNucleophilic addition

NaBH₄ reduces butanone to

Salam Academy Original Practice · Proposed mark scheme

SA-AC-CB-0041 markL2 StandardCalculatorMechanism

The reaction of HCN with ethanal is

Salam Academy Original Practice · Proposed mark scheme