Consider a titration of potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as indicator. The number of moles of Mohr’s salt required per mole of dichromate is

STATEMENT-1 : Band gap in germanium is small.

STATEMENT-2 : The energy gap of each germanium atomic energy level is infinitesimally small.

Consider a reaction aG + bH $$\to$$ Products. When concentration of both the reactants G and H is doubled, the rate increases by eight times. However, when concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The overall order of the reaction is