Very Short Answer Type Questions

Name the element whose one of the allotropic forms is buckminsterfullerene.

Which of the following molecule is called buckminsterfullerene?
${\mathrm{C}}_{90}, {\mathrm{C}}_{60}, {\mathrm{C}}_{70}, {\mathrm{C}}_{120}$

Ethene and ethyne are examples of _____ hydrocarbons.

Ethyne has _____ carbon-hydrogen single bonds. (two / one / three)

The property of carbon atoms to form long chains in compounds is called _____.

The general formula of ${\mathrm{C}}_{\mathrm{n}}{\mathrm{H}}_{2\mathrm{n}}$ for cycloalkanes is the same as that of _____. (alkynes/ alkenes)

The IUPAC name of ethylene is _____.

The IUPAC name of acetylene is _____.