Biology
Chemistry
Maths
Questions
Q1: Bonding / Shapes of Molecules, Electron Pair Repulsion
Kicks of with a classic LOR on shapes of molecules followed by 3 short ones
Walkthrough
Related lessons:
BONDING • Shapes & Bond Angles • Finding Shapes of Unknowns • Electronic Configurations of Ions • Monodentate Cobalt Complexes •How do you feel about this question?
Q2: Period 3 Chemistry
Great question to test your knowledge of trends. Lots of explaining
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Q3: Electrochemistry
Tests your electrochemistry / REDOX skills and fuel cell knowledge really well
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Q4: Enthalpy & Equilibria, Kp Calculation
Mixed bag of enthalpy and equilibria. A really important big Kp calc here too!
Walkthrough
Related lessons:
ENERGETICS • Mean Bond Enthalpies • CHEMICAL EQUILIBRIA • Le Chatelier's Principle • How Catalysts Work • THE EQUILIBRIUM CONSTANT - Kp • Kp - Numbers & UnitsHow do you feel about this question?
Q5: Enthalpy & Entropy
Use enthalpy & entropy data to find ΔG, rearrange to find the temp. at which it becomes feasible with a bonus IMF diagram
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Related lessons:
THERMODYNAMICS • Entropy of a System (ΔS system) • Gibbs Free Energy (ΔG) • BONDING • Hydrogen BondingHow do you feel about this question?
Q6: Acids & Bases
Tricky pH curve question plus you have to use Kw and Ka in the follow up questions
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Related lessons:
ACIDS, BASES & BUFFERS • How pH Curves Work • Types of pH Curve • Calculating pH - Strong Bases • Weak Acids - KaHow do you feel about this question?
Q7: REDOX Calculation, REDOX
Mainly about the REDOX reactions of vanadium. Great big calc using the ideal gas equation
Walkthrough
Related lessons:
ATOMIC STRUCTURE • Successive I.E.s • TRANSITION METALS • Reduction of Vanadium with Zn • AMOUNT OF A SUBSTANCE • The Ideal Gas EquationHow do you feel about this question?
Q8: Transition Metals
Wonderful question on TM complex substitution reactions and the chelate effect
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Related lessons:
TRANSITION METALS • Ligands & Complexes • Monodentate Copper Complexes • The Chelate EffectHow do you feel about this question?
Q9: Lattice Enthalpy
Highly practical based question focusing on enthalpy change linking into lattice enthalpy
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Q10: Inorganic Ion Testing
Classic!! Use chemical tests to identify inorganic ions and write the equations for the precipitation reactions
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