Chemistry - Complete d-block Question with Solution | TestHub

Consider the following reactions: $$\begin{array}{rl}& \mathrm{NaCl}+{\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7+{\mathrm{H}}_2{\mathrm{SO}}_4\text{ (Conc.) }\\ & \to (\mathrm{A})+\text{ Side products }\\ & (\mathrm{A})+\mathrm{NaOH}\to \text{ (B) }+\text{ Side products }\\ & (\mathrm{B})+{\mathrm{H}}_2{\mathrm{SO}}_4\text{ (dilute })+{\mathrm{H}}_2{\mathrm{O}}_2\\ & \to (\mathrm{C})+\text{ Side products }\end{array}$$ The sum of the total number of atoms in one molecule each of (A), (B) and (C) is