Question

In polar acidic reactions, the pairing of the electrophile and nucleophile consists of: (choose 2 answers) Select all that apply weaker electrophile stronger nucleophile stronger electrophile weaker nucleophile

Answer 1

1) As in polar acidic medium there will be large number of hydronium ions because of which the nucelophiles will also be protonated and that is why their concentration will fall, so it will consists of weaker nucleophile and stronger electrophiles

2) Neutral neucleophile like H2O are weaker than charged like HO-, and therefore are also reversible in nature.

3) if the medium is polar basic like NaOH (aq), the the attacking neucleophile would be HO-, which is negatively charges and so the intermediates formed would also be negative (charged is conserved through out the reaction) like carbanions, and the leaving group would also be negatively charged, and the reactants acts as identifiable electrophiles, while in polar acidic medium, the main attacking (initiating) species is H+, which is postively charged and so the intermediates formed are also positive, like carbocations and the leaving group would also be positively charged, and the reactants acts as identifiable nucelophiles,