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(e) 1.25 x 10 -3 moles CrO 4 2- react with 1.895 x 10 -3 moles I 2ġ mole CrO 4 2- react with 1.895 x 10 -3 / 1.Imagine going to sleep at night and waking up the next day - richer, heathier and feeling like a better you! Incredible as it may sound, with this book, it's possible!! Written by one the most sought after speaker, Ben Sweetland, the book, like its name suggests, helps you to grow rich while you sleep. Summary iodine liberated by 25.0 cm 3 of FA 1 required 25.25 cm 3 of FA2

Titration of FA1 with FA2 Final burette reading/ cm3 Questions on Titrations from practical papersĬlick here for questions on buffer solutions Practice Questions and for the Answers click here (2)Ĭlick here For the notes on Organic Chemistry (d) Indicate any hazards or safety precautions specific to the experiment. (c) Outline the procedure in full, giving details of any apparatus used.

(b) Suggest a suitable volume and concentration of hydrogen peroxide for the experiment. (a) Determine a suitable number of moles of hydrogen peroxide to be used in the experiment. You are required to plan an experiment to compare which of two metal oxides is the more effective catalyst by measuring the amount of oxygen formed during a 2 minute period immediately after a solution of hydrogen peroxide is added to a catalyst.

Hydrogen peroxide decomposes in the presence of metal oxide catalysts to form oxygen and water according to the following equation.

IONIC BONDING : Print out version notes for topic covered on Wednesday 2 n2 March 2010.ĬLICK HERE to view an animation on Fajan's Ruleġ.0 The notes and animations on Covalent bonding can be seen on the Covalent pageĬlick Here to view the notes on polar and non polar moleculesĬlick Here for the notes on intermolecular forces.įor more information on Van der Waal's and permanent dipole interactions click hereįor more information on Hydrogen bonding click hereĬlick here for the notes on chemical energeticsĬlick here for the questions on Rate of reaction You can read further by clicking here Ionic bonding First ionisation energy : Notes for topic covered on Wednesday 24 th February 2010.įirst ionisation energy : Print out version notes for topic covered on Wednesday 24 th February 2010.