Chemistry
Grade-10
Easy
Question
Read the statements given and mark the correct option.
Statement 1: Homologous series is a series of compounds having similar chemical properties.
Statement 2: The successive members of the homologous series differ by - CH2 group.
Hint:
A homologue is a compound belonging to a series of compounds differing from each other by a repeating unit such as -CH2
The correct answer is: Both statements 1 and 2 are true, but statement 2 is not the correct explanation of statement 1.
- This is because the melting points and boiling points increase with increasing molecular mass. Other physical properties such as solubility in a particular solvent also show a similar gradation.
- The chemical properties of homologous series are similar because they have the same functional group. However, the physical properties of homologues are different because of increased London dispersion forces
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