Which reagent oxidizes glucose to saccharic acid?

Two moles of an ideal gas are expanded isothermally from $$15 \mathrm{dm}^3$$ to $$20 \mathrm{dm}^3$$. If the amount of work done is $$-6 \mathrm{dm}^{-3}$$ bar, find external pressure needed to obtain this work.

Which from following statements is NOT correct for heterolysis?

Which among the following molecules exhibits strong London forces?