Chemistry - Complete d-block Question with Solution | TestHub

Consider the following reactions

$\begin{array}{rl}& {\mathrm{CrO}}_2{\mathrm{Cl}}_{2(\text{ Vapour })}+\mathrm{NaOH}\to \mathrm{B}+\mathrm{NaCl}+{\mathrm{H}}_2\mathrm{O}\\ & \mathrm{B}+{\mathrm{H}}^{+}\to \mathrm{C}+{\mathrm{H}}_2\mathrm{O}\end{array}$
The number of terminal ' O ' present in the compound ' C ' is ______.