1.

Which one of the following is not a primary amine.

Answer»

Tert-butylamine
Ethylamine
Sec-butylamine
Iso-butylamine

Solution :Primary amine MEANS `R-NH_(2)` group.
`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-NH_(2) CH_(3)CH_(2)-NH_(2)`
`CH_(3)-underset(NH_(2))underset(|)(C)-CH_(2)-CH_(3)CH_(3)-underset(CH_(3))underset(|)(CH)-CH_(2)NH_(2)`
`CH_(3)-NH-CH_(3)`


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