The isobutyl group among the following is:

1.
2.	CH3–CH2–CH2–CH2–
3.
4.

Determine the IUPAC name of the compound with the molecular formula C₆H₁₄ that contains two tertiary carbon atoms.
1. 2-Methyl pentane
2. 2, 3-Dimethylbutane
3. 2, 2-Dimethylbutane
4. n-Hexane

The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is:

The dihedral angle of the least stable conformer of ethane is:

The incorrect IUPAC name among the following is:

1.
2.
3.
4.

The correct IUPAC name of the given compound is:

1. 3-Ethyl-4-ethenylheptane

2. 3-Ethyl-4-propylhex-5-ene

3. 3-(1-Ethyl propyl) hex-1-ene

4. 4-Ethyl-3-propylhex-1-ene

If Compound A (C₄H₈) is treated with H₂O/H₂SO₄ and forms an optically inactive C₄H₁₀O, what is the structure of A?

1.	CH3CH2CH=CH2	2.	CH3CH=CHCH3
3.	(CH3)2C=CH2	4.

An unsaturated hydrocarbon 'A' reacts with two molecules of H₂ and upon reductive ozonolysis A gives butane-1,4-dial, ethanal, and propanone.

The IUPAC name of A is:

1. 2-Methylocta-2,6-diene

2. 2-Methylocta-1,5-diene

3. 3-Methylocta-2,6-diene

4. 2-Methylocta-1,6-diene