Chemistry 9701/21 Oct Nov 2014 | Cambridge AS Level Past Papers With Mark Scheme

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1. Ionisation energies and electronic configurations for Group 2 elements. Mass spectrum and atomic mass calculations for strontium isotopes. Empirical formula determination for a barium compound. Reaction pathways and equations involving magnesium, its compounds, and their conversions.

2. Contact process: equations for sulfur dioxide oxidation to sulfur trioxide and its conversion to sulfuric acid. Molecular shapes, bond angles, and Le Chatelier’s principle analysis for reaction conditions. Equilibrium constant (\\(K_p\\)) calculation for sulfur trioxide formation.

3. Structural isomers of C₄H₈ and their chemical behavior: bromine decolorization, reaction with KMnO₄, and stereoisomerism. Geometrical isomers of R, reduction of S, and identification of reaction products.

4. Reaction pathways for propanoic acid derivatives: reduction to alcohol, esterification, and reaction with calcium carbonate. Reagent and condition suggestions for transformations and identification of reaction byproducts.

CIE AS & A Level Chemistry (9701) Nov 2014

Laura Bellini

Classification: Paper 2

Page count: 12

Viewed: 62

Last update: 2 months ago

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Chemistry 9701/21 Oct Nov 2014 | Cambridge AS Level Past Papers With Mark Scheme

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