Exercise 1

The compound having a triple bond is:

The $\mathrm{IUPAC}$ name for the following compound is

The structure of $3$-methylpent-$2$-ene is

${\mathrm{CH}}_2=\mathrm{CH}-{\mathrm{CH}}_3\stackrel{\mathrm{NOCl}}{⟶}\mathrm{X},\mathrm{X}$ is:

The reagent(s) for the following conversion.  is/are

The number of stereoisomers obtained by bromination of trans-$2$-butene is:

The synthesis of $3$-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respectively are:

The major product of the following reaction is: