The IUPAC name of ${CH}_{3} - {CH}_{2} - {CH}_{2} - CHO$ is

Butanol

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Butanal

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Propanal

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Butaldehyde

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Solution

The correct option is B Butanal

It is a 4 carbon chain molecule - hence the root word should be: but-.

Only single bonds are present, therefore it is a saturated molecule. Hence, the primary suffix should be -an-.

The functional group -CHO is aldehyde, therefore, secondary suffix should be: -al. Hence, the name of the compound is butanal.

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Similar questions

The IUPAC name of

$C H_{3} - C H | C H_{3} - C | C H_{3} - C H | C H O - C H_{2} - C H_{2} - C H_{3}$ is?

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

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

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

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