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  $OH$
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$C{H}_3—CH—COOH$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    $Cl‐C{H}_2‐C=CH‐C{H}_2‐OH$
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$C{H}_3$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

The IUPAC name of  the below-given compound is: 



1. 2-(Bromomethyl)-3-oxopentane carboxamide

2. 1-Bromo-2-carbamoylpentan-3-one

3. 5-Bromo-4-carbamoylpentan-3-one

4. 2-(Bromomethyl)-3-oxopentanamide

The IUPAC name of (CH₃)₃C CH₂CH₂Cl is:

(1) 2, 2-Dimethyl-4-chloro butane

(2) 1-Chloro-3, 3-dimethylbutane

(3) 4-Chloro-2, 2-dimethyl butane

(4) none of these

The IUPAC name of  $$\begin{gathered} {\mathrm{CH}}_3—\mathrm{CH}—\mathrm{CH}—\mathrm{CH}—\mathrm{CHO} \\ | | | \\ {\mathrm{CH}}_3 \mathrm{OH} \mathrm{OH} \end{gathered}$$ is:

(1) 2, 3-Dihydroxy-4-methylpentanal

(2) 1-oxo-2,3-Dihydroxy-4-methylpentane

(3) 2,3-Dihydroxy-4 methylpentanone

(4) 1, 2-Dihydroxy-3-methylbutanecarbaldehyde