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Practise

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

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2645 questions · page 41 of 133 · choose a topic above to narrow them down

SA-AB-SP-0011 markL1 FoundationCalculatorSpeciation

A species is a group of organisms that

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SA-AC-AB-0011 markL1 FoundationCalculatorConjugate pairs

A Brønsted–Lowry base is

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SA-AC-AB-0041 markL1 FoundationCalculatorpH of strong acids

Calculate the pH of

0.0100

mol dm⁻³ HCl.

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SA-AC-AE-0011 markL1 FoundationCalculatorMechanism

The mechanism of HBr addition to an alkene is

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SA-AC-AK-0011 markL1 FoundationCalculatorRadical mechanism

The initiation step in the chlorination of methane is

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SA-AC-AL-0011 markL1 FoundationCalculatorOxidation

Oxidation of a secondary alcohol gives

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SA-AC-AM-0011 markL1 FoundationCalculatorPreparation

Excess ammonia is used when making a primary amine from a halogenoalkane to

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SA-AC-AP-0011 markL1 FoundationCalculatorRepeat units

The monomer of poly(propene) is

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SA-AC-AQ-0011 markL1 FoundationCalculatorWith OH⁻ and NH₃

Adding NaOH(aq) to Cu²⁺(aq) gives a

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SA-AC-AR-0011 markL1 FoundationCalculatorSubstitution

Benzene typically undergoes

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SA-AC-AT-0011 markL1 FoundationCalculatorConfigurations

How many electrons can a full 3d subshell hold?

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SA-AC-AT-0051 markL1 FoundationCalculatorConfigurations

The shape of a p orbital is

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SA-AC-AY-0011 markL1 FoundationCalculatorReactions

Ethanoyl chloride reacts with water to give

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SA-AC-BH-0011 markL1 FoundationCalculatorDefinitions

Lattice energy is the enthalpy change when

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SA-AC-BO-0011 markL1 FoundationCalculatorCovalent and dative

A dative covalent bond is

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SA-AC-CA-0011 markL1 FoundationCalculatorCarboxylic acids

Carboxylic acids react with sodium carbonate to give

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SA-AC-CA-0021 markL1 FoundationCalculatorEsters

The ester formed from ethanol and methanoic acid is

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SA-AC-CB-0011 markL1 FoundationCalculatorTests

2,4-DNPH gives an orange precipitate with

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SA-AC-CO-0011 markL1 FoundationCalculatorPolyesters

A polyester is formed from

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SA-AC-CR-0011 markL1 FoundationCalculatorTLC

A spot travels 3.2 cm and the solvent front 8.0 cm. Calculate

R_f

.

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