Ethanol when reacted with PCl5 gives A, POCl3 and HCl. A reacts with silver nitrite to form B and AgCl . A and B respectively are
C2H5Cl and C2H5OC2H5
C2H6 and C2H5OC2H5
C2H5Cl and C2H5NO2
C2H6 and C2H5NO2