(Solved): Please answer Q8, Q9, Q10, Q11, and Q12. Thank you in advance :) Q 8 - Name the following molecul ...

Please answer Q8, Q9, Q10, Q11, and Q12. Thank you in advance :)

Q 8 - Name the following molecules and write their molecular formulas $\left({\mathrm{C}}_x{\mathrm{H}}_y\right)$ Alkynes Q 9 - The IUPAC name for acetylene is ethyne. Draw the formula for acetylene. Q 10 -Draw the structure for pentyne. What is the problem with drawing this formula? Q 11 - What is wrong with this molecule? 2,3-dimethyl-3-butyne Q 12 - Alkynes and alkadienes have the same general formula. Draw the structures of the alkyne and alkadiene that have the molecular formula ${\mathrm{C}}_5{\mathrm{H}}_8$