How many amines with molecular formula C_3H_9 | vedclass

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(B) The molecular formula $C_3H_9N$ corresponds to the following isomeric amines:$1$. $CH_3CH_2CH_2NH_2$ (Propan-$1$-amine,$1^{\circ}$ amine)$2$. $CH_

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$3$

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(B) The molecular formula $C_3H_9N$ corresponds to the following isomeric amines:$1$. $CH_3CH_2CH_2NH_2$ (Propan-$1$-amine,$1^{\circ}$ amine)$2$. $CH_3CH(NH_2)CH_3$ (Propan-$2$-amine,$1^{\circ}$ amine)$3$. $CH_3CH_2NHCH_3$ ($N$-methylethanamine,$2^{\circ}$ amine)$4$. $(CH_3)_3N$ ($N,N$-dimethylmethanamine,$3^{\circ}$ amine)Benzene sulphonyl chloride (Hinsberg reagent) reacts with $1^{\circ}$ and $2^{\circ}$ amines to form sulphonamides.$1^{\circ}$ amines ($CH_3CH_2CH_2NH_2$ and $CH_3CH(NH_2)CH_3$) react to form $N$-alkylbenzenesulphonamides.$2^{\circ}$ amines $(CH_3CH_2NHCH_3)$ react to form $N,N$-dialkylbenzenesulphonamides.$3^{\circ}$ amines $((CH_3)_3N)$ do not react with benzene sulphonyl chloride.Therefore,there are $3$ amines ($2$ primary and $1$ secondary) that can react with benzene sulphonyl chloride.

How many amines with molecular formula $C_3H_9N$ can react with benzene sulphonyl chloride?

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