Advanced level 2023 south west regional mock chemistry 2
Advanced level 2023 south west regional mock chemistry 2
Complete the tabic above ( 1 marie)
b) Using letters A – F, select
i ) A pair of isotopes
>0 A noble gas
1*0 A positive ion
(3 marks)
c) Write the formula of a compound formed between A and B
(1 mark)
d) Write a balanced equation for the reaction between F and oxygen
i n
(2 marks)
e) Draw dots and cross diagrams to show the bonding between D and Hydrogen
(3 marks)
(TOTAL = 10 marks)
2) The structural formulae of two organic compounds A and B are shown below.
B. CHiCHOI1C1I,
a) i. To which homologous series docs A and 11 belong?
A . C
( 1 mark )
ii . What general name is used to describe the two structures?
Answer only two questions in this section. If you attempt more than two questions, only the first two will be
considered.Where appropriate, equations and diagrams should be used to illustrate your answer.Write your
answers on the answer sheets that follow.
8) Using suitable examples, write short notes to distinguish between each of the following pair of terms.
a) Oxidation and reduction
b) Allotropy and allotropy
c) Addition polymerization and condensation polymerization
a) Neutralization and Esterification
(5, 5, 5. 5)
9) Bonding in substances can either be ionic, simple covalent OT metallic,
aj What is a chemical bond?
b) Using suitable examples, describe how each bond type occurs.
O flive isnc property of each substance, staling how this property is related to the bond type.
(I, 16, 3)
10) Reversible reactions are used in the manufacturing of some chemicals.
a) What is a reversible reaction?
b) Give an example ol“a chemical whose manufacture involves a reversible reaction and describe how il is
obtained from suitable raw materials,
c) State two large scale uses of the chemical
