Q47. Identify the major products A and B respectively in the following set of reactions.\\
$\mathrm { B } \leftarrow \frac { \mathrm { CH } _ { 3 } \mathrm { COCl } } { \text { Pyridine } }$\\
\includegraphics[max width=\textwidth, alt={}, center]{f6006e98-4b99-4411-a1a7-86410189cba7-08_239_718_1676_623}
(1)\\
\includegraphics[max width=\textwidth, alt={}, center]{f6006e98-4b99-4411-a1a7-86410189cba7-08_140_632_1946_262}
(2)\\
\includegraphics[alt={}]{smile-fa8ae467e4563e46b185d39bedf97d569c4fb785}\\
and $\mathrm { B } =$\\
\includegraphics[alt={}]{smile-b5a1262229c7835db52c37ada47f039233c3f2fc}
(3)\\
\includegraphics[alt={}]{smile-2c10beac6edc11f64129ea2705953919e8f444bf}
(4)
$\mathrm { A } =$\\
\includegraphics[alt={}]{smile-c47b4b73c83f3d67b8016b53ca44fb9aef960329}\\
and B =\\
\includegraphics[alt={}]{smile-43a035b1c3db4ff281e43fc0ee186b2b990cd8f4}\\
\includegraphics[max width=\textwidth, alt={}, center]{f6006e98-4b99-4411-a1a7-86410189cba7-08_200_766_2284_1005}\\
Identify the product $( \mathrm { P } )$ in the following reaction:\\
$\mathrm { A } =$