Determine the correct name for the compound, Mg3N2. A) Manganese nitride B) Magnesium nitride Eliminate C) Magnesium (II) nitrid
2 answers:
Answer : The correct option is, (B) Magnesium nitride
Explanation :
is an ionic compound because magnesium element is a metal and nitrogen element is a non-metal. The bond formed between a metal and a non-metal is always ionic in nature.
The naming of ionic compounds is given by :
- Cation is written first.
- The anion is written next and a suffix is added at the end of the anion. The suffix written is '-ide'.
Thus, the name of is magnesium nitride.
Therefore, the correct option is, (B) Magnesium nitride
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Explanation :
The balanced chemical reaction will be,
By the stiochiometry, 3 moles of solid copper(II)oxide react with 2 moles of ammonia gas to give 3 moles of copper metal, 1 mole of nitrogen gas and 3 moles of liquid water.
The states of matter of each elements and compound is,
Copper(II)oxide is in solid state
Ammonia is in gaseous state
Copper metal is in solid state
Nitrogen is in gaseous state
Water is in liquid state