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(A) Butane has the molecular formula $C_4H_{10}$.Structural isomers are compounds with the same molecular formula but different structural arrangement

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$(i)$ and $(ii)$

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(A) Butane has the molecular formula $C_4H_{10}$.Structural isomers are compounds with the same molecular formula but different structural arrangements.$(i)$ $n$-butane is a straight-chain isomer of butane $(C_4H_{10})$.(ii) Isobutane ($2$-methylpropane) is a branched-chain isomer of butane $(C_4H_{10})$.(iii) Cyclobutane has the formula $C_4H_8$,so it is not an isomer of butane.(iv) The structure shown is not a valid isomer of butane.Therefore,$(i)$ and $(ii)$ are the correct structural isomers of butane.

List-$I$	List-$II$
$1$. Hydroxyl group	$a$. $>C=O$
$2$. Aldehyde group	$b$. $-OH$
$3$. Carboxylic acid group	$c$. $-CHO$
$4$. Ketone group	$d$. $-COOH$

Which of the following are correct structural isomers of butane $(C_4H_{10})$?
$(i)$ $n$-butane: $CH_3-CH_2-CH_2-CH_3$
(ii) Isobutane ($2$-methylpropane): $CH_3-CH(CH_3)-CH_3$
(iii) Cyclobutane: $A$ four-carbon ring structure $(C_4H_8)$
(iv) Ethane dimer: Not a valid isomer of butane.

Similar Questions

What is the common name of propanone?

Write the names of the following compounds:
$(a)$ $CH_3-CH_2-CH_2-CH_2-COOH$
$(b)$ $CH_3-CH_2-C \equiv CH$

Give the formula and name of the alkane which contains four carbon atoms in each molecule.

How would you name the following compounds?
$(i)$ $CH_{3}-CH_{2}-CH=CH_{2}$
$(ii)$ $CH_{3}-CH_{2}-CH_{2}-C(CH_{3})_{2}-CH_{3}$
$(iii)$ $CH_{3}-CH_{2}-CHO$
$(iv)$ $CH_{3}-CH(OH)-CH_{3}$

Which of the following is the correct match between List-$I$ and List-$II$?

List-$I$ List-$II$

$1$. Hydroxyl group $a$. $>C=O$

$2$. Aldehyde group $b$. $-OH$

$3$. Carboxylic acid group $c$. $-CHO$

$4$. Ketone group $d$. $-COOH$

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Which of the following are correct structural isomers of butane $(C_4H_{10})$?$(i)$ $n$-butane: $CH_3-CH_2-CH_2-CH_3$(ii) Isobutane ($2$-methylpropane): $CH_3-CH(CH_3)-CH_3$(iii) Cyclobutane: $A$ four-carbon ring structure $(C_4H_8)$(iv) Ethane dimer: Not a valid isomer of butane.