Which among the following group-15 elements does NOT react with concentrated sulphuric acid?
Which among the following group-15 elements does NOT react with concentrated sulphuric acid?
Phosphorus
Arsenic
Nitrogen
Antimony
Solution
$\mathbf{N}$
Because nitrogen has the highest bond dissociating energy of all the elements, it does not react with concentrated sulphuric acid. This is due to its little size.