CBSE Class 10 Science 2017 · Paper 31/2/3 · Question 1
Write the molecular formula of the first two members of the homologous series having functional group .
Answer
The first two ketones are propanone, , and butanone, .
The series whose functional group is , the ketone group, is the ketones. Its first two members are propanone (acetone), , molecular formula , and butanone, , molecular formula .
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