In ΔABC,ifcotA=√ac,cotB=√ca,cotC=√a3c (with usual notations),then which of the following is/are correct
Draw the resonance structures for the following compounds. Show the electron shift using curved-arrow notation.
(a) C6H5OH (b) C6H5NO2 (c) CH3CH = CH – CHO
(d) C6H5CHO (e) (f)