Classify an amine as primary, secondary or tertiary (simple or mixed, aliphatic or aromatic)

1. A.
   $\text{C}_6\text{H}_5\text{NHC}_2\text{H}_5$
2. B.
   $(\text{C}_2\text{H}_5)_3\text{N}$
3. C.
   $(\text{CH}_3)_3\text{N}$
4. D.
   $\text{C}_6\text{H}_5\text{N(CH}_3)_2$

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1. A.
   N,N-Dimethyl aniline
2. B.
   N-Methyl-N-Phenyl aniline
3. C.
   Butan-1-amine
4. D.
   N,N-Dimethyl-1-butanamine

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1. A.
   N-methyl methanamine
2. B.
   Phenyl methanamine
3. C.
   N-phenylbenzenamine
4. D.
   N-methylbenzenamine

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1. A.
   3$°$ aliphatic simple amine
2. B.
   3$°$ aromatic mixed amine
3. C.
   3$°$ aromatic simple amine
4. D.
   3$°$ aliphatic mixed amine

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1. A.
   Structure (a)
2. B.
   $\text{(C}_2\text{H}_5\text{)}_3\text{N}$
3. C.
   $\text{(CH}_3\text{)}_3\text{C–NH}_2$
4. D.
   Structure (d)

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1. A.
   Ethane-1, 2-diamine
2. B.
   Propan-2-amine
3. C.
   N-Methylethanamine
4. D.
   N,N-Methylethanamine

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1. A.
   N -methylmethanamine
2. B.
   4-Bromobenzenamine
3. C.
   N-Phenylbenzenamine
4. D.
   N-Ethyl-N-methylpropan-2-amine

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1. A.
   Cyclohexanamine
2. B.
   Ethane-1,2-diamine
3. C.
   N -Phenylbenzeneamine
4. D.
   N-Ethyl-N-Methylpropan-2-amine

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1. A.
   primary amine
2. B.
   secondary amine
3. C.
   tertiary amine
4. D.
   quaternary ammonium salt

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1. A.
   2-Aminobutane.
2. B.
   1-Amino-2-methylpropane
3. C.
   N,N-Dimethylethanamine
4. D.
   N-ethylethanamine

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1. A.
   b, d and e
2. B.
   a and c
3. C.
   Only a
4. D.
   Only c

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