The correct structure of 2,6-Dimethyl-dec-4-ene is:

1.		2.
3.		4.

The IUPAC name of the compound     is:

1. 5-formylhex-2-en-3-one
2. 5-methyl-4-2-en-5-el
3. 3-keto-2-methylhex-5-enal
4. 3-keto-2-methylhex-4-enal

The structure of the compound whose IUPAC name is 3-Ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid is:

1.		2.
3.		4.

The IUPAC name of the above-mentioned compound is:

1. cis-2-Chloro-3-iodo-2-pentene
2. trans-2-Chloro-3-iodo-2-pentene
3. cis-3-Iodo-4-chloro-3-pentene
4. trans-3-Iodo-4-chloro-3-pentene

The IUPAC name of  CH₃CH=CHC≡CH is:

1. Pent - 3 - en - 1 - yne

2. Pent - 2 - en - 4 - yne

3. Pent - 1 - yn - 3 - ene

4. Pent - 4 - yn - 2 – ene

The IUPAC name of the compound having the formula CH≡C–CH=CH₂ is:

1. 3-butene-1-yne

2. 1-butyn-3-ene

3. but-1-yne-3-ene

4. 1-butene-3-yne

The general molecular formula, which represents the homologous serious of alkanols is:

1. $C_n{H}_{2n}{O}_2$

2. $C_n{H}_{2n}O$

3. $C_n{H}_{2n+1}O$

4. $C_n{H}_{2n+2}O$

The IUPAC name of  is : 

1. 3, 4-Dimethylpentanpyl chloride

2. 1-Chloro-1-oxo-2,2-dimethylpentane

3. 2-Ethyl-3-methylbutanoyl chloride

4. 2, 3-Dimethylpentanoyl chloride

IUPAC name of some compounds is given. The incorrect name is:

1.	: 3-Methyl-4-ethylheptane
2.	: 3-Methyl-2-butanol
3.	: 2-Ethyl-3-methylbut-1-ene
4.	\(\mathrm{CH}_3-\mathrm{C} \equiv \mathrm{C}-\mathrm{CH}\left(\mathrm{CH}_3\right)_2 \): 4-Methyl-2-pentyne