Which of the following hydrocarbons will be in a liquid state at room temperature?

Iodination of a hydrocarbon $(C-H \rightarrow C-I)$ with molecular iodine is a slow and reversible reaction. However,it can be carried out in the presence of an oxidizing agent such as

The number of possible constitutional isomers of an alkane with the formula $C_6H_{14}$ is:

Identify the product formed by the action of $H_{2_{(g)}}$ with $CO_{(g)}$ in the presence of $Ni$.

The molecular mass of a hydrocarbon is $86 \ g/mol$. What is the number of its possible structural isomers?

Write the method of preparation for hydrocarbons by the decarboxylation of carboxylic acids.