Chemistry - Biomolecules Question with Solution | TestHub

${\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6\stackrel{\mathrm{Zymase}}{⟶}\mathrm{A}\underset{∆}{\overset{\mathrm{NaOI}}{\to }}\mathrm{B}+{\mathrm{CHI}}_3$

The number of carbon atoms present in the product $\mathrm{B}$ is