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Chemistry

Chemistry · Quick practice · answer shown after each question

Introduction to organic chemistry: naming and isomerism

Question 1 of 10

Question 1 of 10

What is the molecular formula of heptene?

Question 2 of 10

Question 2 of 10

What is the molecular formula of ethene?

Question 3 of 10

Question 3 of 10

(a) Define homologous series. (b) State four characteristics of a homologous series. (c) Name and write the formulae of the first three members of the alkane series.

Question 4 of 10

Question 4 of 10

Ethanol and dimethyl ether are isomers.

Question 5 of 10

Question 5 of 10

Members of a homologous series show a gradual change in physical properties.

Question 6 of 10

Question 6 of 10

Explain why but-2-ene has cis and trans isomers but but-1-ene does not. Draw the two isomers of but-2-ene.

Question 7 of 10

Question 7 of 10

Name the functional group and give one example (name and formula) of each: (a) alkenes, (b) alkanols, (c) alkanoic acids, (d) esters, (e) alkynes.

Question 8 of 10

Question 8 of 10

An unbranched alkane with 7 carbon atoms is named ___.

Question 9 of 10

Question 9 of 10

Butane and 2-methylpropane are structural isomers.

Question 10 of 10

Question 10 of 10

Alkanes are unsaturated hydrocarbons.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.