231 Chemistry AS Level Paper-1Topical Solved MCQ,s

Description

231 Chemistry AS level Paper 1 Topical Solved MCQs

• All Variants
• Mark Schemes
• References of repeated questions added
• Questions order from new to old
• Worked Solutions
• According to  New Syllabus 2025-2027

TABLE OF CONTENTS

UNIT 1 ATOMIC STRUCTURE
1.1 Particles in the atom and atomic radius
1.2 Isotopes
1.3 Electrons energy levels, atomic orbitals
1.4 Ionization energy
1.5 Multiple Topics
Solutions

UNIT 2 ATOMS, MOLECULES AND STOICHIOMETRY
2.1 Relative masses of atoms and molecules
2.2 The mole and the Avogadro constant
2.3 Formulas
2.4 Reacting masses and volumes of solution gases
2.5 Multiple Topics
Solutions

UNIT 3 CHEMICAL BONDING
3.1 Electronegativity and  bonding
3.2 Ionic bonding
3.3 Metallic bonding
3.4 Covalent bonding and coordinate (dative covalent) bonding
3.5 Shapes of molecules
3.6 Intermoleculer forces, electronegativity and bon properties
Solutions

UNIT 4 STATES OF MATTER
4.1 The gaseous state ideal and real gases and pV = nRT
4.2 Bonding and structure
4.3 Multiple Topics
Solutions

UNIT 5 CHEMICAL ENERGETICS
5.1 Enthalpy change
5.2 Hess’ Law, including Born cycles
5.3 Multiple Topics
Solutions

UNIT 6 ELECTROCHEMISTRY
6.1 Redox processes, electron transfer and changes in oxidation number (oxidation state)
6.2 Multiple Topics
Solutions

UNIT 7 EQUILIBRIA
7.1 Chemical equilibrium: reversible reactions; dynamic equilibrium
7.2 Bronsted-Lowry theory of acids and bases
7.3 Multiple Topics
Solutions

UNIT 8 REACTION KINETICS
8.1 Rate of reaction
8.2 Effect of temperature on reaction rates and rate constant; the concept of activation energy
8.3 Homogeneous and heterogeneous catalysis including enzymes
8.4 Multiple Topics
Solutions

UNIT 9 THE PERIODIC TABLE: CHEMICAL PERIODICITY
9.1 Periodicity of physical properties of the elements in the third
9.2 Periodicity of chemistry properties of the elements in the third period
9.3 Chemical periodicity of other elements
9.4 Multiple Topics
Solutions

UNIT 10 GROUP 2
10.1 Similarities and trends in the properties of the Group 2 metals, magnesium to barium, and their compounds
10.2 Multiple Topics
Solutions

UNIT 11 GROUP 17
11.1 Physical properties of the Group 17 elements
11.2 The chemical properties of the elements and their hydrides
11.3 Some reactions of the halide ions
11.4 The reactions of chlorine with aqueous sodium hydroxide
11.5 Multiple Topic
Solutions

UNIT 12 NITROGEN AND SULFUR
12.1 Nitrogen and sulfur
12.2 Multiple Topics
Solutions

UNIT 13 AN INTRODUCTION TO ORGANIC CHEMISTRY
13.1 Formulae, functional groups and the naming of organic compounds
13.2 Characteristic organic reactions
13.3 Shapes Of Organic Molecules; s and p Bonds
13.4 Isomerism, structural and stereoisomerism
13.5 Multiple Topics
Solutions

UNIT 14 HYDROCARBONS
14.1 Alkanes
14.2 Alkenes
14.3 Hydrocarbons as fuel
14.4 Multiple Topics
Solutions

UNIT 15 HALOGEN DERIVATIVES
15.1 Halogenalkanes and halogenoarenes
15.2 Multiple Topics
Solutions

UNIT 16 HYDROXY COMPOUNDS
16.1 Alcohols
16.2 Multiple Topics
Solutions

UNIT 17 CARBONYL COMPOUNDS
17.1 Aldehydes and ketones
17.2 Multiple Topics
Solutions

UNIT 18 CARBOXYLIC ACIDS AND DERIVATIVES
18.1 Carboxylic acids
18.2 Esters
18.3 Multiple Topics
Solutions

UNIT 19 NITROGEN COMPOUNDS
19.1 Primary amines
19.2 Multiple Topics
Solutions

UNIT 20 POLYMERISATION
20.1 Addition polymerization
20.2 Multiple Topics
Solutions

UNIT 21 ORGANIC SYNTHESIS
21.1 Multiple Topics
Solutions

UNIT 22 ANALYTICAL TECHNIQUES
22.1 Infra-red Spectroscopy
22.2 Multiple Topics
Solutions