Q59. The product ( C ) in the following sequence of reactions has $\_\_\_\_$ $\pi$ bonds.\\
\includegraphics[max width=\textwidth, alt={}, center]{f7e1c4e5-0331-437e-a40e-6cb0fe232d21-10_179_408_669_191}\\
\includegraphics[max width=\textwidth, alt={}, center]{f7e1c4e5-0331-437e-a40e-6cb0fe232d21-10_154_919_694_630}