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Chemistry

Grade-10

Easy

Question

Two compounds, P and Q, have the same molecular formula: C₃H₆O. Identify the functional groups and structural formulae of X and Y.

$- CO and - COOH, X = {CH}_{3} {COCH}_{3}, Y = {CH}_{3} COOH$
$- CHO and - CO, X = {CH}_{3} {CH}_{2} CHO . Y = {CH}_{3} {COCH}_{3}$
$- CHO and - COOH, X = {CH}_{3} {CH}_{2} {OCH}_{3}, Y = {CH}_{3} {CH}_{2} COOH$
$- CHO and - CO, X = {CH}_{3} {OCH}_{2} {CH}_{3}, Y = {CH}_{3} {COCH}_{3}$

hint Hint:

Aldehydes and ketones are functional isomers.

The correct answer is: $negative CHO text and end text minus CO comma straight X equals CH subscript 3 CH subscript 2 CHO. straight Y equals CH subscript 3 COCH subscript 3$

Functional isomers are structural isomers that have the same molecular formula (that is, the same number of atoms of the same elements), but the atoms are connected in different ways so that the groupings are dissimilar.

These groups of atoms are called functional groups, functionalities.

X is an aldehyde whereas Y is a ketone.

An aldehyde is an organic compound in which the carbonyl group is attached to a carbon atom at the end of a carbon chain. A ketone is an organic compound in which the carbonyl group is attached to a carbon atom within the carbon chain.

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