List of top Chemistry Questions on reaction mechanism asked in MHT CET

A complex reaction takes place in following steps:
$NO_{2}Cl_{(g)} \longrightarrow NO_{2(g)} + Cl_{(g)}$ (slow)
$NO_{2}Cl_{(g)} + Cl_{(g)} \longrightarrow NO_{2(g)} + Cl_{2(g)}$ (fast)
Identify rate law equation for this reaction.

Identify 'A' in the following reaction.

Which statement from following is correct for homolytic fission?

Which from following statements is NOT correct for heterolysis?

Identify 'A' in the following reaction.