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प्रश्न
The formula of carbonate of a metal M is M2CO3.
What will be the formula of its nitride ?
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उत्तर
Let us first work out the valency of the metal M (we know that carbonate ion has a valency of −2):
Element/Ion M `"CO"_3^(2-)`
It is clear that M has a valency of 1.
Formula of nitride of M:
Element / Ion M N3-
Valency 1 -3
Crossing the valencies, formula of the nitride of M is M3N.
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संबंधित प्रश्न
The formula of carbonate of a metal M is M2CO3.
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| Across | Down | ||
| 2 | The element used by Rutherford during his α–scattering experiment | 1 | A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air |
| 3 | An element which forms rust on exposure to moist air | 4 | Both brass and bronze are alloys of the element |
| 5 | A very reactive non–metal stored under water | 6 | The metal which exists in the liquid state at room temperature |
| 6 | Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. | 8 | An element with symbol Pb |

