MCQ
${C_6}{H_5}C{H_3}\xrightarrow{{Cr{O_2}C{l_2}}}A\xrightarrow{{{H_2}O}}B$
The functional group present in $B$ and name of the reaction would be
- A$-CHO,$ Gattermann aldehyde synthesis
- ✓$-CHO,$ Etard reaction
- C$-COCH_3,$ Friedel Crafts reaction
- D$-CHO,$ Oxo reaction