Chemistry 5070 · O Level
Naming organic compounds
18 practice questions on Naming organic compounds, with worked solutions and instant marking.
The molecular formula $\text{C}_3\text{H}_6\text{O}_2$ is shared by two esters. What are the names of those two esters?
May/June 2015
The structures of four hydrocarbons, W, X, Y and Z, are shown. Which row is correct?
May/June 2016
An ester is formed when the carboxylic acid $\text{HCO}_2\text{H}$ reacts with the alcohol $\text{CH}_3\text{CH}_2\text{CH}_2\text{OH}$. State the name and structure of the ester formed.
May/June 2017
The displayed structures and names for three alcohols, P, Q and R, are shown below. The structures may not have been given the right names. Which structures have been named correctly?
May/June 2019
What is the structural formula of propyl methanoate?
May/June 2019
Which structure corresponds to propyl methanoate?
May/June 2019
The structure of an ester is displayed. What is this ester called?
May/June 2022
An organic compound has the empirical formula $\text{CH}_2\text{O}$. Which row gives a name and structural formula that could be correct for this compound?
May/June 2022
What is the displayed formula for propyl methanoate?
May/June 2023
What structural formula represents propyl methanoate?
May/June 2023
How is the ester $\text{C}_3\text{H}_7\text{COO}\text{C}_2\text{H}_5$ named?
May/June 2024
Fig. 8.1 presents a flow chart that gives information about several organic chemical reactions.
May/June 2024
An ester is shown with the structural formula $\text{CH}_3\text{COOCH}_2\text{CH}_2\text{CH}_3$. What is the name of this ester?
May/June 2025
The diagram illustrates the structure of an ester. State the name of this ester.
Oct/Nov 2016
The ester’s structure is shown. What is this ester called?
Oct/Nov 2017
When an acid reacts with an alcohol, an ester and water are formed. $\text{CH}_3\text{CH}_2\text{COOH} + \text{CH}_3\text{CH}_2\text{OH} \rightarrow \text{CH}_3\text{CH}_2\text{COOCH}_2\text{CH}_3 + \text{H}_2\text{O}$ State the name of the ester produced in this reaction?
Oct/Nov 2019
Ethanoic acid reacts with propanol. What is the ester called, and what is its structure?
Oct/Nov 2020
The displayed structural formulae of two organic compounds are shown. What are the names of these compounds?
Oct/Nov 2023