Pentoxides of all the elements of nitrogen family are _____ acidicthan their trioxides.
Answer»
Less More Equally acidic Can't say
Solution :Acidic DUE to highest oxidation state (+5) of the central atom, where acidic character decreases down the group, `N_2O_5` (strongest)>`P_2O_5gtAs_2O_5gtSb_2O_5gtBi_2O_5` (weakest), due to gradual DECREASE of ELECTRONEGATIVITY.