15395 The correct order of case of dehydration of following is
(b) The correct order of stability of carbocation is as follows
15396 \(PC{l_5}\) reacts with a compound containing
(b) \(PC{l_5}\) is used in organic chemistry to replace the \(-OH\) group by \(-Cl\) and carbonylic oxygen by \(( - C{l_2})\).
15397 Cumene process is the most important commercial method for the manufacture of phenol. Cumene is
(a)
15398 The compound \(X\) in the reactionis
(b) It is Kolbe’s reaction.
15399 Reactionis called
(a) It is Lederer Manasse reaction.