A LEVEL CHEMISTRY PAPER 2 GRANTED QUESTIONS WITH CORRECT ANSWER SOLUTIONS LATTEST UPDATE 2025/2026 GRADED A+

A LEVEL CHEMISTRY PAPER 2 GRANTED
QUESTIONS WITH CORRECT ANSWER SOLUTIONS
LATTEST UPDATE 2025/2026 GRADED A+
Silver nitrate+ nitric acid + chloride ions

White precipitate




Silver nitrate+ nitric acid + bromide ions

Cream precipitate




Silver nitrate+ nitric acid + iodide ions

Yellow precipitate




Substances that decolorise bromine water

Alkenes




Electrophiles

Electron pair acceptors, attracted to electrons e.g H+

, NaF and NaCl

Produces misty fumes with conc sulphuric acid




NaBr

Produces misty and orange/brown fumes with conc sulphuric acid




NaI

Produces misty fumes, purple vapour, bad egg smell with conc sulphuric acid




Le chateliers principle

If a factor affecting the equilibrium is changed the equilibrium will shift to oppose this change




Enthalpy change

The overall temperature change at a constant pressure of a reaction




Hess's law

The overall enthalpy change of a reaction at a constant pressure is independent to the route taken




Why does E-Z isomerism occur