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Magnesium is burnt in the atmosphere of ...

Magnesium is burnt in the atmosphere of dinitrogen. The ash so produced is treated with water. The final products are

A

`MgO+H_2`

B

`Mg(OH)_2`

C

`Mg(OH)_2+NH_3`

D

`MgH_2+O_2`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the problem step by step, we will analyze the reaction of magnesium with dinitrogen and the subsequent reaction with water. ### Step 1: Reaction of Magnesium with Dinitrogen Magnesium (Mg) reacts with dinitrogen (N2) to form magnesium nitride (Mg3N2). The balanced equation for this reaction is: \[ 3 \text{Mg} + \text{N}_2 \rightarrow \text{Mg}_3\text{N}_2 \] ### Step 2: Treating Magnesium Nitride with Water Next, we treat the magnesium nitride (Mg3N2) with water (H2O). The reaction can be represented as follows: \[ \text{Mg}_3\text{N}_2 + 6 \text{H}_2\text{O} \rightarrow 3 \text{Mg(OH)}_2 + 2 \text{NH}_3 \] ### Step 3: Balancing the Reaction In the above reaction, we can see that for every molecule of magnesium nitride, we produce three molecules of magnesium hydroxide (Mg(OH)2) and two molecules of ammonia (NH3). ### Final Products The final products of the reaction when magnesium nitride is treated with water are: - Magnesium hydroxide (Mg(OH)2) - Ammonia (NH3) ### Conclusion Thus, the final products formed when magnesium is burnt in dinitrogen and the ash is treated with water are magnesium hydroxide and ammonia.
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