A: PAPER 1 2015

AQA A LEVEL PAPER 1 2015

For game-changing, fast, dependable grade improvement, use THE TT REVISION METHOD to study this paper



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Q1: Bonding / Shapes of Molecules, Electron Pair Repulsion

Kicks of with a classic LOR on shapes of molecules followed by 3 short ones

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 1


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

BONDING |  Shapes & Bond Angles |  Finding Shapes of Unknowns  |  Electronic Configurations of Ions |  Monodentate Cobalt Complexes



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Q2: Period 3 Chemistry

Great question to test your knowledge of trends. Lots of explaining

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 2


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

PERIOD 3 ELEMENTS & THEIR OXIDES |  How The Periodic Table Works |  Induced Dipole Forces  |  Period 3 Oxides - Reaction with Water  |  Period 3 Oxides - Neutralisation



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Q3: Electrochemistry

Tests your electrochemistry / REDOX skills and fuel cell knowledge really well

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 3


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

ELECTROCHEMISTRY |  Combining Half Cells: Conventions  |  The Electrochemical Series |  Predicting Reactions |  Calculating EMF |  Pro's & Con's of the Hydrogen Fuel Cell



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Q4: Enthalpy & Equilibria, Kp Calculation

Mixed bag of enthalpy and equilibria. A really important big Kp calc here too!

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 4


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

ENERGETICS |  Mean Bond Enthalpies  |  CHEMICAL EQUILIBRIA |  Le Chatelier's Principle  |  How Catalysts Work |  THE EQUILIBRIUM CONSTANT - Kp |  Kp - Numbers & Units



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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

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 5


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

THERMODYNAMICS |  Entropy of a System (ΔS system) |  Gibbs Free Energy (ΔG) |  BONDING |  Hydrogen Bonding



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Q6: Acids & Bases

Tricky pH curve question plus you have to use Kw and Ka in the follow up questions

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 6


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

ACIDS, BASES & BUFFERS |  How pH Curves Work |  Types of pH Curve |  Calculating pH - Strong Bases |  Weak Acids - Ka



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Q7: REDOX Calculation, REDOX

Mainly about the REDOX reactions of vanadium. Great big calc using the ideal gas equation

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 7


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

ATOMIC STRUCTURE |  Successive I.E.s |  TRANSITION METALS |  Reduction of Vanadium with Zn |  AMOUNT OF SUBSTANCE |  The Ideal Gas Equation



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Q8: Transition Metals

Wonderful question on TM complex substitution reactions and the chelate effect

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 8


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

TRANSITION METALS |  Ligands & Complexes |  Monodentate Copper Complexes |  The Chelate Effect



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Q9: Lattice Enthalpy

Highly practical based question focusing on enthalpy change linking into lattice enthalpy

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 9


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

ENERGETICS |  Calorimetry (Q = mcΔT) |  Calorimetry - Finding ΔH Neutralisation |  THERMODYNAMICS |  Calculating Enthalpy of Solution



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Q10: Inorganic Ion Testing

Classic!! Use chemical tests to identify inorganic ions and write the equations for the precipitation reactions

  QUESTION   MARK SCHEME

  A LEVEL - AQA PAPER 1 2015 - QUESTION 10


 RELATED LESSONS

If you found this question difficult, choose one of the lessons below for a focused action hour of study.

A LEVEL PRACTICAL CHEMISTRY  |  Testing for Inorganic Ions (Required Practical 4) |  Test Tube Reactions of Transition Metals (Required Practical 11)

Q & A

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