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

CH2 - ATOMIC STRUCTURE

In which species does the underlined atom have an incomplete outer shell?

2012 Summer

MCQ

CH7 - EQUILIBRIA

Ammonia is manufactured by the Haber Process, in an exothermic reaction. Assuming that the amount of catalyst remains constant, which change will not ...

2012 Summer

MCQ

CH5 - CHEMICAL ENERGETICS

The equation for a reaction is shown.$\text{H}_2(g) + \frac{1}{2}\text{O}_2(g) \rightarrow \text{H}_2\text{O}(l) ; \Delta H = x \text{ kJ mol}^{-1}$Wh...

2012 Summer

MCQ

CH2 - ATOMIC STRUCTURE

The value of the second ionisation energy of calcium is 1150 kJ mol^{-1}. Which equation correctly represents this statement?

2012 Summer

MCQ

CH3 - CHEMICAL BONDING

Two conversions are outlined below.$$\text{NH}_4^+ \rightarrow \text{NH}_3$$$$\text{C}_2\text{H}_4 \rightarrow \text{C}_2\text{H}_6$$What similar feat...

2012 Summer

MCQ

CH4 - STATES OF MATTER

Use of the Data Booklet is relevant to this question.The gas laws can be summarised in the ideal gas equation.$pV = nRT$0.56 g of ethene gas is contai...

2012 Summer

MCQ

CH5 - CHEMICAL ENERGETICS

Propanone has the molecular formula $C_3H_6O$.The enthalpy change of combustion of hydrogen is $-286\text{ kJ mol}^{-1}$.The enthalpy change of combus...

2012 Summer

MCQ

CH4 - STATES OF MATTER

Under which set of conditions is a gas most likely to behave ideally? [Table_1]

2012 Summer

MCQ

CH7 - EQUILIBRIA

Two moles of compound P were placed in a vessel. The compound P was partly decomposed by heating. A dynamic equilibrium between chemicals P, Q and R w...

2012 Summer

MCQ

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

The oxide of titanium, TiO₂, is used as a ‘whitener’ in toothpaste. It is obtained from the ore iron(II) titanate, FeTiO₃.What is the change, ...

2012 Summer