Question 26
The name of the compound ${CH}_{3} - {CH}_{2} - CHO$

(a) Propanal
(b) Propanone
(c) Ethanol
(d) Ethanal

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Solution

The correct answer is (a).

Three carbon atoms are present in the main chain, hence 'Prop' is the word root. Aldehyde group is present at terminal carbon, hence -al is used as the suffix. Therefore, the name of the given compound is propanal.

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Similar questions

Which of the following has a different functional group than $C H_{3} - C H_{2} - C H O$ ?

C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{3}

C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H | C H_{3} - C | C H_{3} - C H_{3} - C H_{2} - C H_{3} | C H - C H_{2} - C H_{2} - C H_{2} - C H_{3}

C H_{3} - C H_{2} - C H_{3} | C H - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{3} | C H - C H_{3}

C H_{3} - C H_{2} - O H | C H - C H_{2} - C H_{2} - C | H C H_{3} - C H_{2} - C H_{3}

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