How is gas collected during laboratory preparation of ethylene?

Write the molecular formula of alkane, which is composed of $16 \mathrm{H}$ atoms.

$$\begin{gathered} \mathrm{A} : {\mathrm{C}}_7{\mathrm{H}}_{16} \\ \mathrm{B} : {\mathrm{C}}_7{\mathrm{H}}_{15} \\ \mathrm{A} : {\mathrm{C}}_7{\mathrm{H}}_{12} \end{gathered}$$

Choose correct answer as $\mathrm{A}, \mathrm{B}$ or $\mathrm{C}$.

The type of reaction between ethene and chlorine is different from ethane and chlorine.

What features of the ethene structure makes such reaction possible?

The type of reaction between ethene and chlorine is different from ethane and chlorine.

What type of reaction occurs between ethene and chlorine?(Addition reaction/substitution reaction)

The type of reaction between ethene and chlorine is different from ethane and chlorine.

Name the product of the reaction between ethene and chlorine.