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Three organic compounds A, B and C have the following molecular formulae:
A C4H8O2
B C4H10O
C C4H8O
(a) Which compound contains an alcohol group? Write its name and structural formula.
(b) Which compound contains a carboxyl group? Write its name and structural formula.
(c) Which molecular formula can represent an aldehyde as well as a ketone? Write the names and structural formulae of the aldehyde and ketone represented by this molecular formula.
a) The organic compound 'B' comprises an alcohol group. The compound is butanol and its formula is C4H9OH.
Its structural formula is given below:
(b) The organic compound 'A' contains a carboxyl group. The name of the acid is butanoic acid and its formula is C3H7COOH.
Its structural formula is given below:
(c) The organic compound 'C', represents the molecular formula of an aldehyde as well as a ketone. The aldehyde represented by this formula is butanal (C3H7CHO).
The ketone represented by this formula is butanone (CH3COCH2CH3).
Their structural formulae are given below:
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