The group number, number of valence electrons, and valency of an element with atomic number 15, respectively, are:

The complex ion that will lose its crystal field stabilization energy upon oxidation of its metal to +3 state is :

The major product(s) obtained in the following reaction is/are :

In the following reaction; xA $$ \to $$ yB
$${\log _{10}}\left[ { - {{d\left[ A \right]} \over {dt}}} \right] = {\log _{10}}\left[ {{{d\left[ B \right]} \over {dt}}} \right] + 0.3010$$
'A' and 'B' respectively can be :