3. Determine the molecular and empirical formula and indicate how many sigma and pi bonds are present in each structure shown below:
[ \( \mathbf{8} \boldsymbol{\times} \frac{\mathbf{1}}{\mathbf{2}} \) Mark]
i.
Sigma \( \_\_\_\_ \)
Pi \( \_\_\_\_ \)
Molecular Formula \( \_\_\_\_ \)
Empirical Formula \( \_\_\_\_ \)
ii.
Sigma \( \_\_\_\_ \)
Pi \( \_\_\_\_ \)
Molecular Formula \( \_\_\_\_ \)
Empirical Formula \( \_\_\_\_ \)