MCQ
Which of the following is a 3° amine?
- A1-methylcyclohexylamine.
- BTriethylamine.
- Ctert-butylamine.
- DN-methylaniline.
Explanation:
The structure of given amines are as follows:

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$\mathrm{C}\mathrm{H}_{3} -\mathrm{CH}_{2}-\mathrm{CH}_{2}-\mathrm{O}-\mathrm{C}\left(\mathrm{CH}_{3}\right)_{3} \xrightarrow[\Delta]{{\mathrm{excess} \mathrm{HI}}} \mathrm{C}+\mathrm{D}$
$CH_3-CH=O + C_6H_5-CH=O$ $\xrightarrow[\Delta ]{{\mathop O\limits^\Theta H(aq)}}$ $\mathop X\limits_{({C_4}{H_6}O)} $ $+$ $\mathop Y\limits_{({C_9}{H_8}O)} $