List of top Chemistry Questions on Nucleophilic and electrophilic substitution reactions (both aromatic and aliphatic) asked in CUET (PG)

Natural Mechanism in human body to inhibit the heavy metal ion poisoning is by:

Identify the class of the following reaction.

In a nucleophilic substitution reaction proceeding via S_N2 mechanism, which among the following will act as good leaving group?

Which of the following anions on reaction with alkyl halide favor elimination over substitution, if effect of solvent is considered negligible?