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Hydrocarbons
Alkanes and alkynes do not exhibit geometrical isomerism. Explain.
Alkanes contain carbon-carbon single bond and there is free rotation around single bond or sigma bond. Alkynes contain triple bond around which the rotation is hindered but the molecule is linear. Therefore, the question of fixed arrangement does not arise. Hence alkanes and alkynes do not show geometrical isomerism.
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Arrange the following compounds in order of their increasing boiling points:
n-Pentane, n-Hexane, Ethane, 2-2-Dimethylpentane, 2-Methylpentane.
Why is light or heat necessary to initiate chlorination reaction of alkanes?
What are conformation or rotational isomers?
Can you separate the two conformations of ethane?
Why are alkenes called olefins?
How is the position of the double bond in an alkene located?
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