Practise

Question bank

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 42 of 133 · choose a topic above to narrow them down

SA-AC-CX-0011 markL1 FoundationCalculatorLigands and shapes

What is the oxidation state of cobalt in

\mathrm{[Co(NH_3)_6]^{3+}}

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SA-AC-EN-0011 markL1 FoundationCalculatorDefinitions

The standard enthalpy change of formation of an element in its standard state is

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SA-AC-EP-0021 markL1 FoundationCalculatorMeasuring E⦵

The standard hydrogen electrode uses

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SA-AC-EQ-0011 markL1 FoundationCalculatorKc expressions

For

\mathrm{N_2+3H_2\rightleftharpoons2NH_3}

K_c

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SA-AC-EZ-0011 markL1 FoundationCalculatorCharge and Faraday

Calculate the charge passed when 0.200 A flows for 5.00 minutes.

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SA-AC-G2-0011 markL1 FoundationCalculatorTrends

Down group 2, the first ionisation energy

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SA-AC-G2-0021 markL1 FoundationCalculatorReactions

Calcium reacts with water to form

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SA-AC-G7-0011 markL1 FoundationCalculatorHalogen trends

Down group 17, oxidising power

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SA-AC-G7-0021 markL1 FoundationCalculatorHalide reactions

Silver nitrate added to a chloride solution gives

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SA-AC-G8-0011 markL1 FoundationCalculatorThermal stability

Which carbonate decomposes at the lowest temperature?

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SA-AC-GA-0012 marksL1 FoundationCalculatorIdeal gas equation

Calculate the volume, in m³, occupied by

1.00

mol of an ideal gas at

100\,000

Pa and

273

K. (

R=8.31

)

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SA-AC-GA-0051 markL1 FoundationCalculatorIdeal gas equation

An assumption of the kinetic theory for an ideal gas is that

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SA-AC-GB-0011 markL1 FoundationCalculatorEntropy

Which change has a positive entropy change?

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SA-AC-HA-0011 markL1 FoundationCalculatorReactions

Bromoethane with aqueous NaOH under reflux forms

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SA-AC-IE-0011 markL1 FoundationCalculatorDefinitions

Which equation represents the first ionisation energy of calcium?

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SA-AC-IM-0011 markL1 FoundationCalculatorTypes of force

London dispersion forces exist between

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SA-AC-IR-0011 markL1 FoundationCalculatorInfrared

A strong, sharp absorption at about 1720 cm⁻¹ indicates

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SA-AC-KI-0011 markL1 FoundationCalculatorBoltzmann

In a Boltzmann distribution, the area under the curve represents

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SA-AC-KP-0021 markL1 FoundationCalculatorKp

A gas mixture has 2.0 mol N₂, 6.0 mol H₂ and 2.0 mol NH₃. Calculate the mole fraction of H₂.

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SA-AC-MC-0012 marksL1 FoundationCalculatorTitrations

25.0\ \text{cm}^3

of NaOH is neutralised by

21.40\ \text{cm}^3

0.100\ \text{mol dm}^{-3}

HCl. Calculate

c(\text{NaOH})

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