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

Theory

CH10 - GROUP 2

Group 2 metals form alkaline solutions in water.(a) (i) Write the equation for the reaction of calcium oxide with water..................................

2020 Spring

Theory

CH11 - GROUP 17

(a) Describe the trend in the colour of the Group 17 elements down the group. ..........................................................................

2020 Spring

Theory

CH17 - HYDROXY COMPOUNDS

(a) A series of reactions starting from glycerol is shown. (i) Suggest the reagent(s) and conditions for reaction 1. ....................................

2020 Spring

Theory

CH12 - AN INTRODUCTION TO THE CHEMISTRY OF TRANSITION ELEMENTS

Iron is a transition element in the fourth period. Iron forms compounds containing the ions $\text{Fe}^{2+}$ and $\text{Fe}^{3+}$.(a) (i) Define the t...

2020 Spring

Theory

CH10 - GROUP 2

(a) Group 2 metals form stable carbonates and sulfates.(i) State and explain the trend in the thermal stability of the Group 2 carbonates down the gro...

2020 Spring

Theory

CH6 - ELECTROCHEMISTRY

Gold is an unreactive metal that can only be oxidised under specific conditions.(a) The standard electrode potential, $E^{\circ}$, of $\text{Au}^{3+}(...

2020 Spring

Theory

CH14 - AN INTRODUCTION TO ORGANIC CHEMISTRY

Compound F has been found in small quantities in some cereals and dried fruit.(a) (i) Give the name of the functional groups labelled A and B.A .........

2020 Spring

Theory

CH7 - EQUILIBRIA

Gallic acid, $C_7H_6O_5$, is a naturally occurring aromatic molecule. [Image_1: Structure of gallic acid] (a) Gallic acid contains the carboxylic ...

2020 Spring

Theory

CH19 - CARBOXYLIC ACIDS AND DERIVATIVES

Valinol can be synthesised by the following reactions. Reaction 1 uses valine as the starting material. (a) (i) Write an equation for reaction 1, u...

2020 Spring

MCQ

CH7 - EQUILIBRIA

Ethene can be oxidised to form epoxyethane, $C_2H_4O$.$$C_2H_4(g) + \frac{1}{2}O_2(g) \rightleftharpoons C_2H_4O(g) \quad \Delta H^\circ = -107 \text{...

2020 Summer