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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 fertiliser. (a) What are X, Y and Z? (b) To which group of periodic table does X belong? (c) Name the period of the periodic table in which X is placed. (d) Which element is placed just before X in the period? (e) Which element is placed just after X in the period? |
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Answer» 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 fertiliser. (a) What are X, Y and Z? (b) To which group of periodic table does X belong? (c) Name the period of the periodic table in which X is placed. (d) Which element is placed just before X in the period? (e) Which element is placed just after X in the period? |
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