Total number of secondary amines (excluding s | vedclass

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(B) secondary amine has the general structure $R-NH-R'$.For the molecular formula $C_5H_{13}N$,the sum of carbon atoms in $R$ and $R'$ must be $5$.The

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$6$

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(B) secondary amine has the general structure $R-NH-R'$.For the molecular formula $C_5H_{13}N$,the sum of carbon atoms in $R$ and $R'$ must be $5$.The possible combinations of $(R, R')$ are:$1$. $(CH_3, C_4H_9)$: $C_4H_9$ has $4$ isomers ($n$-butyl,isobutyl,sec-butyl,tert-butyl). Total = $4$.$2$. $(C_2H_5, C_3H_7)$: $C_3H_7$ has $2$ isomers ($n$-propyl,isopropyl). Total = $2$.Summing these up: $4 + 2 = 6$.Thus,the total number of secondary amines is $6$.

Total number of secondary amines (excluding stereoisomers) possible with the molecular formula $C_5H_{13}N$ is

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