Question

Tendency to show -3 oxidation state decreases from nitrogen to bismuth why

Answer 1

Answer:

Explanation:

Here the elements (P,As and Sb) have attained a +5 oxidation state. It is appropriate to note here the marked decrease in the ease of attaining the 5-covalent state which occurs on passing from phosphorus to arsenic (see chemistry of ... oxidizing properties due to the tendency of the bismuth to revert to the tripositive state.