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प्रश्न
If the valency of hydrogen is 1 and that of nitrogen is 3, work out the formula for ammonia.
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उत्तर
Valency of hydrogen = 1
Valency of nitrogen = 3
Elements : N H
Valencies : 3 1
Ammonia consists of nitrogen and hydrogen.
Formula for ammonia can be worked out by crossing the valencies of the constituent elements.
Therefore, formula of ammonia is NH3.
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संबंधित प्रश्न
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| Column A | Column B |
| (a) Pb(NO3)2 | (i) rotten eggs smell |
| (b) CO2 | (ii) burns with a pop sound |
| (c) (NH4)2Cr2O7 | (iii) the suffocating smell of sulphur |
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| (e) NO2 | (v) crackling sound |
| (f) O2 | (vi) residue swells up |
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| (j) SO2 | (ix) fumes with NH3 solution |
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