Natural petroleum contains

The product$(s)$ from the above reaction will be

Arrange the following in the correct order of their acidic strength:

$I. H_2C=CH_2$

$II. CH \equiv CH$

$III. CH_3-C \equiv CH$

$IV. CH_3-CH_3$

Which of the following has the highest heat of hydrogenation?

How many bond cleavages are required to convert cubane into a non-cyclic skeleton?

Identify the product $(C)$ in the following series of reaction:
$\text{Cyclopentane}$ $\xrightarrow{Br_2, hv} A$ $\xrightarrow{\text{alc. KOH}} B$ $\xrightarrow{\text{NBS}} C$