The IUPAC name of the compound, 

 $C{H}_3—C{H}_2—CH—CON{H}_2$
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$C{H}_3$ is-

1. 2-Ethylbutanamide

2. 2-Methylbutanamide

3. 1-Amino-2-methylpropane

4. None of the above

The IUPAC name of the compound,

      is:   

1. 1,2-Dimethyl-2-butenol

2. 3-Methylpent-3-en-2-ol

3. 3,4-Dimethyl-2-buten-4-ol

4. 2,3-Dimethyl-3-pentenol

The IUPAC name of the compound

1. 2-Iodo-3-chloro-4-pentanoic acid

2. 4-Oxo-3-chloro-2-iodopentanoic acid

3. 4-Carboxy-4,3-chloro-2-butanone

4. 3-Chloro-2-iodo-4-oxopentanoic acid

The IUPAC name of the given compound is:

1. 4-Butylpenta-2,4-dienal
2. 5-Vinyloct-3-en-1-al
3. 5-Vinyloct-5-en-8-al
4. 3-Butyl-1,4-hexadien-6-al

Isobutyl chloride is-

1. CH₃CH₂CH₂CH₂Cl

2. (CH₃)₂CHCH₂Cl

3. CH₃CH₂CHClCH₃

4. (CH₃)₃C-Cl

Which compound contains an isopropyl group?

1. 2,2,3,3-Tetramethylpentane

2. 2,2-Dimethylpentane

3. 2,2,3-Trimethylpentane

4. 2-Methylpentane

The IUPAC name of the above mentioned compound is - 

Which of the following species exhibits paramagnetism?

The structure of cis-bis (propenyl) ethene is:

1. 

2. 

3. 

4. 

A student assigned the name 1,4-butadiene to the given compound.

 \(\stackrel{1}{\mathrm{C}} \mathrm{H}_2=\stackrel{2}{\mathrm{C}} \mathrm{H}-\stackrel{3}{\mathrm{C}} \mathrm{H}=\mathrm{CH}_2 .\)

Which statement is correct?

1. The name is correct.

2. He committed an error in the selection of the carbon chain.

3. He committed an error in the position of the double bond.

4. Unpredictable