(B) Aldehydes are organic compounds containing a functional group with the structure $-CHO$. The general molecular formula for saturated aliphatic ald

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(B) Aldehydes are organic compounds containing a functional group with the structure $-CHO$. The general molecular formula for saturated aliphatic aldehydes is $C_n H_{2n} O$,where $n$ is the number of carbon atoms $(n \ge 1)$. For example,if $n=1$,the formula is $CH_2O$ (Formaldehyde,$HCHO$). If $n=2$,the formula is $C_2H_4O$ (Acetaldehyde,$CH_3CHO$).

Class 12 Chemistry 8-1.Aldehydes and Ketones Introduction

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What is the general molecular formula of aldehydes?

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A
$C_n H_{2n+1} O$
B
$C_n H_{2n} O$
C
$C_n H_{2n+1} O_2$
D
$C_n H_{2n} O_2$

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8-1.Aldehydes and Ketones

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Introduction

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The $IUPAC$ name of the given compound is:

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Match the common names given in Column-$I$ with the $IUPAC$ names given in Column-$II$.

Column-$I$ (Common names) Column-$II$ ($IUPAC$ names)

$A$. Cinnamaldehyde $1$. Pentanal

$B$. Acetophenone $2$. Prop-$2$-en-$al$

$C$. Valeraldehyde $3$. $4$-Methylpent-$3$-en-$2$-one

$D$. Acrolein $4$. $3$-Phenylprop-$2$-en-$al$

$E$. Mesityl oxide $5$. $1$-Phenylethanone

Column-$I$ (Common names)	Column-$II$ ($IUPAC$ names)
$A$. Cinnamaldehyde	$1$. Pentanal
$B$. Acetophenone	$2$. Prop-$2$-en-$al$
$C$. Valeraldehyde	$3$. $4$-Methylpent-$3$-en-$2$-one
$D$. Acrolein	$4$. $3$-Phenylprop-$2$-en-$al$
$E$. Mesityl oxide	$5$. $1$-Phenylethanone