Classify the following amines as primary , secondary or tertiary :

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Solution

i) In the given compound the $R - N H_{2}$ group is there means only one hydrogen atom of $N H_{3}$ is replaced by alkyl (R) group. Hence it is primary amine.

ii) In this all 3 hydrogen atoms of $N H_{3}$ are replaced by alkyl groups. Hence it is tertiary amine.

iii) In the given compound the $R - N H_{2}$ group is there means only one hydrogen atom of $N H_{3}$ is replaced by alkyl (R) group. Hence it is primary amine.

iv) In the given compound $R_{2} N H$ group is there that means 2 hydrogen atoms of $N H_{3}$ are replaced by alkyl groups. Hence it is secondary amine.

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Classify the following amines as primary, secondary or tertiary:

(i)

(ii)

(iii) (C₂H₅)₂CHNH₂

(iv) (C₂H₅)₂NH

Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines.

$(C H_{3})_{2} C H N H_{2}$

$C H_{3} (C H_{2})_{2} N H_{2}$

$C H_{3} N H C H (C H_{3})_{2}$

$(C H_{3})_{3} C N H_{2}$

$C_{6} H_{5} N H C H_{3}$

$(C H_{3} C H_{2})_{2} N C H_{3}$

Write IUPAC names of the following compounds and classify them into primary, secondary and tertiary amines.
$C H_{3} (C H_{2})_{2} N H_{2}$

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