1.

How many primary amines including stereoisomers are possible for the molecular formula `C_(4)H_(11)N` .A. 1B. 2C. 3D. 4

Answer» Correct Answer - D
The possible primary amines (containing `-NH_(2)` group) are
(1) `CH_(3)CH_(2)CH_(2)CH_(2)NH_(2)`
(2) `{:(CH_(3)CH_(2)-CH-CH_(3)),(" |"),(" "NH_(2)):}`
(3) `{:(CH_(3)-CH-CH_(2)NH_(2)),(" |"),(" "CH_(3)):}`
(4) `{:(" "CH_(3)),(" |"),(CH_(3)-C-NH_(2)),(" |"),(" "CH_(3)):}`


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