MCQ
How many secondary amine are possible with molecular formula $C_4H_{11}NH_2$
- A$4$
- B$3$
- C$2$
- D$1$
$1.$ $N-$methyl $n-$propyl amine
$2.$ $N-$methyl isopropyl amine
$3.$ $N,N-$dimethyl amine
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