Write the structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated:

${\mathrm{C}}_5{\mathrm{H}}_8$ (one triple bond)

Write the structural formulas and IUPAC names for all possible isomers having the number of double or triple bond as indicated:

${\mathrm{C}}_5{\mathrm{H}}_{12}$ (no multiple bonds)

Write chemical equation for combustion reaction of the following hydrocarbon:

Butane

Write chemical equation for combustion reaction of the following hydrocarbon:

Pentene

Write chemical equation for combustion reaction of the following hydrocarbon:

Hexyne

Describe two methods of preparation of ethylene. Give equation for the reaction of ethylene with the following:

Ozone

Describe two methods of preparation of ethylene. Give equation for the reaction of ethylene with the following:

Hypohalous acid

Describe two methods of preparation of ethylene. Give equation for the reaction of ethylene with the following:

Cold and dil. alk ${\mathrm{KMnO}}_4$