Chemistry 5070/22 — May/June 2021

Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme

questions

marks

minutes

Topics Acids, Bases and Salts · Chemical Reactions · Atoms, Elements and Compounds · Stoichiometry · Organic Chemistry · Chemistry of the Environment · +5 more

Q16MOrganic ChemistryAtoms, Elements and CompoundsAcids, Bases and SaltsFree sample

Choose from the following compounds to answer the questions.

Fig. 1.1

Each compound may be used once, more than once or not at all.

(a)

State which compound:

(i)

has a molecule with only 11 atoms

______

(ii)

is oxidised to form ethanoic acid

______

(iii)

is an isomer of butene

______

(iv)

reacts with hydrogen in the presence of a catalyst to make an alkane

______

(v)

contains four different elements chemically combined.

______

(b)

Identify two compounds that have a pH of less than 7 in aqueous solution.

______

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8 more questions

Q2Chemistry of the Environment · Atoms, Elements and Compounds · Stoichiometry · States of Matter11M
Q3Organic Chemistry · Chemical Reactions · Acids, Bases and Salts10M
Q4Atoms, Elements and Compounds · Chemical Reactions · Acids, Bases and Salts · Metals8M
Q5Organic Chemistry · Chemical Reactions · Electrochemistry10M
Q6Chemistry of the Environment · Stoichiometry · Atoms, Elements and Compounds · Chemical Reactions · Acids, Bases and Salts10M
Q7Stoichiometry · Experimental Techniques and Chemical Analysis · Chemical Reactions · Acids, Bases and Salts10M
Q8The Periodic Table · Atoms, Elements and Compounds · Metals · Acids, Bases and Salts · Stoichiometry · Electrochemistry10M
Q9Organic Chemistry · Chemical Reactions · Stoichiometry10M

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