Ionic radii of

The correct order of increasing C - O bond length of CO, $$CO_3^{2-}$$, CO₂ is

The geometry of H₂S and its dipole moment are

One mole of nitrogen gas at 0.8 atm takes 38 s to diffuse through a pinhole. whereas one mole of an unknown compound of xenon with flourine at 1.6 atm takes 57 s to diffuse through the same hole. Calculate the molecular formula of the compound.