The IUPAC name of 

​​       $NC‐C{H}_2‐C{H}_2‐CN$ is:

(1) Butane-1,4-dicarbonitrile

(2) Ethane-1, 2-dicarbonitrile

(3) Ethane-1, 2-dinitrile

(4) Butane-1, 4-dinitrile

The IUPAC name of  $$\begin{gathered} C{H}_2— CH—C{H}_2— C{H}_2 \\ | | | \\ N{H}_2 C{H}_3 N{H}_2 \end{gathered}$$ is:

(1) 2-Methylbutane-1, 4-diamine

(2) 3-Methylbutane-1, 4-diamine

(3) 3-(Aminomethyl)butanamine

(4) 2-(Aminomethyl)butan-4-amine

The IUPAC name of the given compound is:

1. Tris(chloromethyl)methane

2. 1,3-Dichloro-2-(chloromethyl)propane

3. 1-Chlorobis(chloromethyl) ethane

4. None of the above

The IUPAC name of HOOC-CH=CH-COOH  is:

1. But-2-ene-1,4-dicarboxylic acid

2. But-2-ene-1,4-dioic acid

3. Ethene dicarboxylic acid

4. Ethene dioic acid

The IUPAC name of the compound is:

1. 1-Formyl-1-methoxyethane

2. 2-Methoxypropan-3-one

3. 2-Methoxypropanal

4. 2-Methoxypropan-3-al

The IUPAC name of  $OH$
$|$
$C{H}_3—CH—COOH$is:

(1) 2-Hydroxypropanoic acid

(2) 1-Hydroxypropanoic acid

(3) 1-Hydroxyethane carboxylic acid

(4) 1-Hydroxyethanoic acid

The IUPAC name of   is

1. 2, 3-Dihydroxybutane-1, 4-carboxylic acid

2. 2, 3-Dihydroxybutane-1, 4-dioic acid

3. 1, 2-Dihydroxyethane dicarboxylic acid

4. None of the above

The IUPAC name of NC-CH₂CH₂-COOH is:

(1) 3-Carboxy propanenitrile

(2) 4-Cyanobutanoic acid

(3) 2-Cyanoethane Carboxylic acid

(4) 3-Cyanopropanoic acid

The IUPAC name of  is:

(1) 3-Carboxy-3-hydroxypentanedicarboxylic acid

(2) 2-Hydroxypropane-1, 2, 3-tricarboxylic acid

(3) 2-Hydroxypropane-1, 2, 3-trioic acid

(4) 3-Hydroxypropane-1, 2, 3-tricarboxylic acid

The IUPAC name of    $Cl‐C{H}_2‐C=CH‐C{H}_2‐OH$
$|$
$C{H}_3$is:

(1) 4-Chloro-3-methylbut-2-en-l-ol

(2) l-Chloro-2-methylbut-2-en-4-ol

(3) 4-Chloro-1-hydroxy-3-methylbut-2-ene

(4) l-Chloro-4-hydroxy-2-methylbut-2-ene