MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

Most modern cars are fitted with three-way catalytic converters in the exhaust system. Which three gases are removed by such a catalytic converter?

2009 Winter

MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

The drug cortisone has the formula shown. In addition to those chiral centres marked by an asterisk (*), how many other chiral centres are present in ...

2009 Winter

MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

The chlorine free radical takes part in the destruction of the ozone layer. Which statements about this free radical are correct?1. It is formed by th...

2009 Winter

MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

Which compound exhibits both cis-trans and optical isomerism?

2010 Summer

MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

Which compound exhibits both $\textit{cis-trans}$ and optical isomerism?

2010 Summer

Theory

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

(a) (i) Explain what is meant by structural isomerism. (ii) State two different features of molecules that can give rise to stereoisomerism.(b) Give ...

2010 Summer

Theory

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

Organic reactions involve substances which may beatoms, molecules, ions or free radicals.We also apply the termselectrophilic, nucleophilic, addition,...

2010 Summer

MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

Compound X reacts with ethanoic acid in the presence of an $H^+$ catalyst to produce the compound below. What is the molecular formula of compound ...

2010 Winter

MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

The compound 2-methylpropene, $C_4H_8$, is a monomer used in the production of synthetic rubber. In addition to 2-methylpropene, there are x other ...

2010 Winter

MCQ

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

The diagram shows the structure of the naturally-occurring molecule cholesterol. Which statements about cholesterol are correct? 1. The molecule cont...

2010 Winter

MCQ

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

Solutions containing chlorate(I) ions are used as household bleaches and disinfectants. These solutions decompose on heating as shown.$$3 ext{ClO}^- ...

2013 Summer

MCQ

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

A mixture of 10 cm³ of methane and 10 cm³ of ethane was sparked with an excess of oxygen. After cooling to room temperature, the residual gas was pa...

2013 Summer

MCQ

CH6 - ELECTROCHEMISTRY

The diagram shows an electrolytic cell for the extraction of aluminium. Which statement is correct?

2013 Summer

MCQ

CH2 - ATOMIC STRUCTURE

Use of the Data Booklet is relevant to this question.The elements radon (Rn), francium (Fr) and radium (Ra) have proton numbers 86, 87 and 88 respecti...

2013 Summer

MCQ

CH2 - ATOMIC STRUCTURE

In which species are the numbers of protons, neutrons and electrons all different?

2013 Summer

MCQ

CH7 - EQUILIBRIA

An experiment is set up to measure the rate of hydrolysis of ethyl ethanoate. $$ \text{CH}_3\text{CO}_2\text{C}_2\text{H}_5 + \text{H}_2\text{O} \righ...

2013 Summer

MCQ

CH5 - CHEMICAL ENERGETICS

The reaction pathway for a reversible reaction is shown below. Which statement is correct?

2013 Summer

MCQ

CH8 - REACTION KINETICS

Why does the rate of a gaseous reaction increase when the pressure is increased at a constant temperature?

2013 Summer

MCQ

CH4 - STATES OF MATTER

Which would behave the least like an ideal gas at room temperature?

2013 Summer

MCQ

CH4 - STATES OF MATTER

The general gas equation can be used to calculate the $M_r$ value of a gas. For a sample of a gas of mass $mg$, which expression will give the value o...

2013 Summer