Which of the following, when undergoing addition of HBr, will form ONLY a pair of diastereomers?
Taking into account the stability of various carbocations and, as well as the rules governing mechanisms of carbocation rearrangements, which reaction is most likely to occur during the given reaction ?
Which of the following is ihe best stereochemical representation when reaction between 1 -methylcyclohexene and NBS react in aqueous dimethyl sulfoxide ?
(d) None of these
Concept Questions :-
Di-imide (N2H2) is used to reduce double bond of:
(a) (b) (c) -NO2 (d) -CH=CH-