(B) Vanillin $(4\text{-hydroxy-}3\text{-methoxybenzaldehyde})$ is an organic compound with the molecular formula $C_8H_8O_3$.Structurally, it contains

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(B) Vanillin $(4\text{-hydroxy-}3\text{-methoxybenzaldehyde})$ is an organic compound with the molecular formula $C_8H_8O_3$.Structurally, it contains an aldehyde group $(-CHO)$, a phenolic hydroxyl group $(-OH)$, and a methoxy group $(-OCH_3)$ attached to a benzene ring.Thus, the correct set of functional groups is $-CHO, -OH, -OCH_3$.

Class 12 Chemistry 1 Aldehydes, Ketones and Carboxylic Acids: Aldehydes and Ketones Introduction

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Identify the functional group present in Vanillin.

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A
$-COOH, -OH, -OC_2H_5$
B
$-CHO, -OH, -OCH_3$
C
$-COOH, -CH_3, -OCH_3$
D
$-CHO, -OH, -OC_2H_5$

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1 Aldehydes, Ketones and Carboxylic Acids: Aldehydes and Ketones

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Introduction

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Match the $IUPAC$ name of the carbonyl compound in Column-$I$ with its structure in Column-$II$ and its common name in Column-$III$.

Column-$I$ ($IUPAC$ name) Column-$II$ (Structure) Column-$III$ (Common name)

$A. 4$-oxopentanal $i. CH_3CH_2CH_2CH_2CHO$ $p. \text{Acetyl acetone}$

$B. \text{Ethane-}1,2\text{-dial}$ $ii. CH_3COCH_2CH_2CHO$ $q. \text{Valeraldehyde}$

$C. \text{Pentane-}2,4\text{-dione}$ $iii. CHOCHO$ $r. \beta\text{-acetyl propionaldehyde}$

$D. \text{Pentanal}$ $iv. CH_3COCH_2COCH_3$ $s. \text{Glyoxal}$

Column-$I$ ($IUPAC$ name)	Column-$II$ (Structure)	Column-$III$ (Common name)
$A. 4$-oxopentanal	$i. CH_3CH_2CH_2CH_2CHO$	$p. \text{Acetyl acetone}$
$B. \text{Ethane-}1,2\text{-dial}$	$ii. CH_3COCH_2CH_2CHO$	$q. \text{Valeraldehyde}$
$C. \text{Pentane-}2,4\text{-dione}$	$iii. CHOCHO$	$r. \beta\text{-acetyl propionaldehyde}$
$D. \text{Pentanal}$	$iv. CH_3COCH_2COCH_3$	$s. \text{Glyoxal}$