A-Level H2 Chemistry 2

Question 1

What product is formed when ethene reacts with bromine water?

Accepted Answer

1,2-dibromoethane

Answer

Bromoethane

Answer

Ethanol

Answer

Ethanoic acid

Question 2

What is the IUPAC name of CH₃CH(OH)CH₂CH₃?

Accepted Answer

Butan-2-ol

Answer

Butan-1-ol

Answer

2-methylpropan-1-ol

Answer

2-butanol

Question 3

What type of reaction is the conversion of glucose to ethanol by yeast?

Accepted Answer

Fermentation (anaerobic)

Answer

Aerobic respiration

Answer

Esterification

Answer

Hydrogenation

Question 4

What does the term 'nucleophile' mean?

Accepted Answer

An electron pair donor that attacks electron-deficient centres

Answer

An electron pair acceptor

Answer

An atom that attacks electron-rich centres

Answer

A species that donates protons

Question 5

What is the Brønsted-Lowry definition of an acid?

Accepted Answer

A proton donor

Answer

A substance that produces OH⁻ ions in solution

Answer

A substance that produces H⁺ ions in solution

Answer

An electron pair acceptor

Question 6

Calculate the molar mass of CuSO₄·5H₂O. (Cu=64, S=32, O=16, H=1)

Accepted Answer

249.5 g/mol

Answer

160 g/mol

Answer

178 g/mol

Answer

250 g/mol

Question 7

What is the difference between a strong acid and a concentrated acid?

Accepted Answer

Strong acid fully dissociates in water; concentrated acid has a high amount of acid per volume of solution

Answer

They are the same thing

Answer

Concentrated acid fully dissociates; strong means a large amount

Answer

Strong acids are more dangerous than concentrated acids