A non metal `X` which is the largest constituent of air combines with hydrogen when heated in the presence of iron as catalyst to form a gas `Y`. When gas `Y` is treated with sulphuric acid it forms a compound `Z` which is used as a chemical fertilizer.
(a) What are `X,Y` and `Z`?
(b) To which group of periodic table does `X` belong?
(c) Name the period of periodic table in which `X` is placed.
(d) Which element is placed just before `X` is the period?
(e) Which element is placed just after `X` in the period?

Answer

(a) X is nitrogen gas `N_(2); Y` is ammonia gas `NH_(3)` and `Z` is ammonium sulphat `(NH_(4))_(2)SO_(4)` (b) 15th group (c) 2nd period (d) Carbon C (e) Oxygen O

Explanation

NA