Question
Some properties of colourless liquid L are listed.
- It boils at 65°C.
- When added to water, two layers form which do not mix.
- It does not react with sodium carbonate.
- It has no effect on bromine water.
What is L?
- ethanol
- hexane
- hexene
- ethanoic acid
Answer/Explanation
Ans:
B
Question
Propane reacts with chlorine.
Which row shows a condition required for this reaction and identifies the type of reaction?
Answer/Explanation
Ans: D
Question
The formula of a hydrocarbon is CxHy.
The equation for its complete combustion is shown.
\(C_xH_y + 8O_2 \rightarrow 5CO_2 + 6H_2O\)
What are the values of x and y?
Answer/Explanation
Ans: B
Question
Which statement about alkanes is correct?
A They burn in oxygen.
B They contain carbon, hydrogen and oxygen atoms.
C They contain double bonds.
D They contain ionic bonds.
Answer/Explanation
Ans: A