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

CH10 - GROUP 2

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

2009 Summer

MCQ

CH10 - GROUP 2

Use of the Data Booklet is relevant to this question.The graph represents the variation of a property of the Group II elements.What is this property?

2009 Winter

Theory

CH10 - GROUP 2

(a) Radium has chemical reactions that are typical of Group II metals and forms ionic compounds. (i) What is the characteristic feature of the electr...

2009 Winter

Theory

CH10 - GROUP 2

(a) Describe and explain qualitatively the trend in the solubilities of the sulfates of the Group II elements. (b) The major ore of barium is barytes...

2009 Winter

MCQ

CH10 - GROUP 2

Which property of Group II elements (beryllium to barium) decreases with increasing atomic number?

2010 Summer

MCQ

CH10 - GROUP 2

Use of the Data Booklet is relevant to this question. 2.920 g of a Group II metal, X, reacts with an excess of chlorine to form 5.287 g of a compound...

2010 Summer

MCQ

CH10 - GROUP 2

Which property of Group II elements (beryllium to barium) decreases with increasing atomic number?

2010 Summer

Theory

CH10 - GROUP 2

(a) Describe and explain how the solubilities of the sulfates of the Group II elements vary down the group...............................................

2010 Summer

Theory

CH10 - GROUP 2

(a) Describe and explain how the solubilities of the sulfates of the Group II elements vary down the group...............................................

2010 Summer

MCQ

CH8 - REACTION KINETICS

The diagram shows a Boltzmann distribution of molecular energies for a gaseous mixture. The distribution has a peak, labelled P on the diagram. What h...

2015 Summer

MCQ

CH3 - CHEMICAL BONDING

Which quantity gives the best indication of the relative strengths of the hydrogen bonds between the molecules in liquid hydrogen halides?

2015 Summer

MCQ

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

Use of the Data Booklet is relevant to this question.1.00 g of carbon is combusted in a limited supply of pure oxygen. 0.50 g of the carbon combusts t...

2015 Summer

MCQ

CH6 - ELECTROCHEMISTRY

In oxygen difluoride, $\text{OF}_2$, fluorine has an oxidation number of $-1$. $\text{OF}_2$ will react with sulfur dioxide according to the following...

2015 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 below.$pV = nRT$0.96 g of oxygen gas is ...

2015 Summer

MCQ

CH7 - EQUILIBRIA

One mole of phosphorus(V) chloride, $\text{PCl}_5$, is heated to 600 K in a sealed flask of volume 1 dm$^3$. Equilibrium is established and measuremen...

2015 Summer

MCQ

CH5 - CHEMICAL ENERGETICS

The standard enthalpy changes of combustion of glucose and ethanol are given as −2820 and −1368 kJ molˉ¹ respectively.Glucose, C$_6$H$_{12}$O$_6...

2015 Summer

MCQ

CH7 - EQUILIBRIA

In which reaction is the underlined substance acting as a base? A. $\text{HNO}_3 + \underline{\text{H}_2\text{SO}_4} \rightarrow \text{H}_2\text{NO}_...

2015 Summer

MCQ

CH7 - EQUILIBRIA

One molecule of haemoglobin, Hb, can bind with four molecules of oxygen according to the following equation. $$\text{Hb(aq)} + 4\text{O}_2\text{(aq)}...

2015 Summer

MCQ

CH3 - CHEMICAL BONDING

The double bond between the two carbon atoms in an ethene molecule consists of one \( \sigma \) bond and one \( \pi \) bond.Which orbitals overlap to ...

2015 Summer