$0.30\mathrm{g}$ of an organic compound containing $\mathrm{C}, \mathrm{H} \mathrm{and} \mathrm{O}$ on combustion yields ${\text{0.44 g CO}}_{\text{2}}{\text{ and 0.18 g H}}_{\text{2}}\text{O}$. If one $\mathrm{mol}$ of compound weighs $60\mathrm{g}$, the molecular formula of the compound is _____.

The shapes of methane, ethene and ethyne molecules are respectively_______.

Which of the following compounds is $2, 2, 3-$trimethylhexane?

The structure of isobutyl group in an organic compound is _____.

$\mathrm{IUPAC}$ name of the compound

$$\begin{gathered} {\mathrm{CH}}_{\mathrm{3}}\mathrm{-}\underset{|}{\mathrm{C}}\mathrm{H}-{\mathrm{CH}}_{\mathrm{2}}-\mathrm{CH}\left(\mathrm{OH}\right)-{\mathrm{CH}}_{\mathrm{3}} \\ \mathrm{ }\underset{|}{\mathrm{C}}{\mathrm{H}}_{\mathrm{2}} \\ {\mathrm{CH}}_{\mathrm{3}} \end{gathered}$$ is _____

Identify the CORRECT decreasing order of priority of the functional groups from the following______.

The $\mathrm{IUPAC}$ name of

$$\begin{gathered} {\mathrm{CH}}_{\mathrm{3}}\mathrm{-}\underset{|}{\mathrm{C}}\mathrm{H}-{\mathrm{CH}}_{\mathrm{2}}\mathrm{-}\underset{|}{\mathrm{C}}\mathrm{H}-\mathrm{CHO} \\ \mathrm{OH} {\mathrm{CH}}_{\mathrm{3}} \end{gathered}$$ will be ______

The$\mathrm{IUPAC}$ name of 

${\mathrm{CH}}_{\mathrm{3}}-\mathrm{CO}-({\mathrm{CH}}_{\mathrm{2}}{\mathrm{)}}_{\mathrm{2}}-{\mathrm{CH}}_{\mathrm{3}}$ is _____