IUPAC name of the given compound is :

1. 3-Phenylpropane

2. Phenyl-1-butane

3. 2-Benzylethane

4. Propyl benzene

The 3° carbon atom in the given structure is :
\(\mathrm{H}_3 \mathrm{C}-\mathrm{CH}_2-\mathrm{CH}\left(\mathrm{CH}_3\right)-\mathrm{CH}_2-\mathrm{CH}_3\\ ~~a~~~~~~~~~~~b~~~~~~~~~~~~~c~~~~~~~~~~~~~~~~~~~d~~~~~~~~~~~e\)

1. a

2. b

3. c

4. e 

The correct IUPAC name, among the following, is:

The correct IUPAC name is -

The correct IUPAC name of the following structure is

The  IUPAC name of the following molecule is -

Structure 1.
Structure 2.

The Correct IUPAC names of the above structures are:

1. 2, 3–Dimethylbutanal & Heptan–4–one

2. 2, 4–Dimethylbutanal & Heptan–2–one

3. 2, 3–Dimethylbutanal & Heptan–3–one

4. 1, 2 –Dimethylbutanal & Heptan–4–one