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

CH3 - CHEMICAL BONDING

Which molecule contains six bonding electrons?

2017 Summer

MCQ

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

The mass spectrum of a sample of lithium shows that it contains two isotopes, $^6\text{Li}$ and $^7\text{Li}$.The isotopic abundances are shown in the...

2017 Summer

MCQ

CH1 - ATOMS, MOLECULES & STOICHIOMETRY

A sports medal has a total surface area of 150 cm$^2$. It was evenly coated with silver by electrolysis. Its mass increased by 0.216 g.How many atoms ...

2017 Summer

MCQ

CH2 - ATOMIC STRUCTURE

Which property of an atom does not affect its first ionisation energy?

2017 Summer

MCQ

CH3 - CHEMICAL BONDING

Which molecule has the largest overall dipole?

2017 Summer

MCQ

CH4 - STATES OF MATTER

The complete combustion of 2 moles of a straight chain alkane produces 400 dm^3 of carbon dioxide measured at 301 K and 1 \times 10^5 Pa. Carbon dioxi...

2017 Summer

MCQ

CH5 - CHEMICAL ENERGETICS

Which expression gives the standard enthalpy change of combustion of methane?

2017 Summer

MCQ

CH6 - ELECTROCHEMISTRY

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

2017 Summer

MCQ

CH6 - ELECTROCHEMISTRY

When $K_2MnO_4$ is dissolved in water, the following reaction occurs:$aMnO_4^{2-}(aq) + bH_2O(l) \rightarrow cMnO_4^{-}(aq) + dMnO_2(s) + eOH^{-}(aq)$...

2017 Summer

MCQ

CH7 - EQUILIBRIA

Methanol can be produced from hydrogen and carbon monoxide.$2H_2(g) + CO(g) \rightleftharpoons CH_3OH(g)$What is the expression for $K_p$ for this rea...

2017 Summer