MCQ

CH17 - HYDROXY COMPOUNDS

The diagram shows an experiment.Which processes could be demonstrated by using the above apparatus?1. the oxidation of ethanol (the liquid X)2. the de...

2009 Winter

Theory

CH17 - HYDROXY COMPOUNDS

The fermentation of starch or molasses using the bacterium Clostridium acetobutylicum, produces a mixture of propanone and butan-1-ol. (a) Give the r...

2009 Winter

Theory

CH17 - HYDROXY COMPOUNDS

Cyclohexanol and phenol are both solids with low melting points that are fairly soluble in water. (a) Explain why these compounds are more soluble ...

2009 Winter

MCQ

CH17 - HYDROXY COMPOUNDS

What will react differently with the two isomeric alcohols, $(\text{CH}_3)_3\text{CCH}_2\text{OH}$ and $(\text{CH}_3)_2\text{CHCH}_2\text{CH}_2\text{O...

2010 Summer

MCQ

CH17 - HYDROXY COMPOUNDS

What will react differently with the two isomeric alcohols, $(CH_{3})_{3}CCH_{2}OH$ and $(CH_{3})_{2}CHCH_{2}CH_{2}OH$?

2010 Summer

Theory

CH17 - HYDROXY COMPOUNDS

An organic compound, E, has the following composition by mass: C, 48.7%; H, 8.1%; O, 43.2%. (a) Calculate the empirical formula of E. (b) When vapo...

2010 Summer

MCQ

CH17 - HYDROXY COMPOUNDS

Which alcohol gives only one possible oxidation product when warmed with dilute acidified potassium dichromate(VI)?

2010 Winter

MCQ

CH17 - HYDROXY COMPOUNDS

Which alcohol gives only one possible oxidation product when warmed with dilute acidified potassium dichromate(VI)?

2010 Winter

MCQ

CH17 - HYDROXY COMPOUNDS

The responses A to D should be selected on the basis of [Table_1: A: 1, 2 and 3 are correct B: 1 and 2 only are correct C: 2 and 3 only are corr...

2010 Winter

Theory

CH17 - HYDROXY COMPOUNDS

Menthol and menthone, the main constituents of oil of peppermint, can be made synthetically from thymol by the following route.(a) State the \textit{t...

2010 Winter

Theory

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

Copper and titanium are each used with aluminium to make alloys which are light, strong and resistant to corrosion. Aluminium, $Al$, is in the third p...

2009 Summer

Theory

CH10 - GROUP 2

Magnesium will react on heating with chlorine, or oxygen, or nitrogen to give the chloride, or oxide, or nitride respectively. Each of these compounds...

2009 Summer

Theory

CH15 - HYDROCARBONS

Concern over the ever-increasing use of fossil fuels has led to many suggestions for alternative sources of energy. One of these, suggested by Profess...

2009 Summer

Theory

CH22 - ANALYTICAL TECHNIQUES

(a) Complete the following reaction scheme which starts with ethanol.In each empty box, write the structural formula of the organic compound that woul...

2009 Summer

Theory

CH22 - ANALYTICAL TECHNIQUES

(a) When F is formed in step I no other compound is produced. Suggest a structural formula for F, which contains one –OH group.(b) Compound G has tw...

2009 Summer

Theory

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

(a) Complete the electronic configuration of aluminium and of titanium, proton number 22.\[\begin{array}{|c|c|} \hline \text{Al} & 1s^2 \\ \hline \tex...

2009 Summer

Theory

CH10 - GROUP 2

(a) (i) Write an equation, with state symbols, for the second ionisation energy of calcium...............................................................

2009 Summer

Theory

CH15 - HYDROCARBONS

Concern over the ever-increasing use of fossil fuels has led to many suggestions for alternative sources of energy. One of these, suggested by Profess...

2009 Summer

Theory

CH22 - ANALYTICAL TECHNIQUES

(a) Complete the following reaction scheme which starts with propanone. In each empty box, write the structural formula of the organic compound that w...

2009 Summer

Theory

CH22 - ANALYTICAL TECHNIQUES

Ethanol, CH$_3$CHO, can be converted into compound U by the following sequence.(a) When T is formed in step I, no other compound is produced.Suggest a...

2009 Summer