Answer:
(a) 2, 3, 1
Explanation:
1. NH₄HS(s) ⇌ NH₃(g) + H₂S(g): This reaction involves one solid phase (NH₄HS) and two gaseous phases (NH₃ and H₂S). So, it has 2 phases.
2. CaCO₃(s) ⇌ CaO(s) + CO₂(g): Here, there is one solid phase (CaCO₃) and one gaseous phase (CO₂). So, it has 2 phases.
3. N₂(g) + 3H₂(g) ⇌ 2NH₃(g): This reaction involves only gaseous phases (N₂, H₂, NH₃). So, it has 1 phase.
Therefore, the correct order is 2, 2, 1, corresponding to option (a) 2, 3, 1.
The correct sequence is (a) 2, 3, 1.
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Verified answer
Answer:
(a) 2, 3, 1
Explanation:
1. NH₄HS(s) ⇌ NH₃(g) + H₂S(g): This reaction involves one solid phase (NH₄HS) and two gaseous phases (NH₃ and H₂S). So, it has 2 phases.
2. CaCO₃(s) ⇌ CaO(s) + CO₂(g): Here, there is one solid phase (CaCO₃) and one gaseous phase (CO₂). So, it has 2 phases.
3. N₂(g) + 3H₂(g) ⇌ 2NH₃(g): This reaction involves only gaseous phases (N₂, H₂, NH₃). So, it has 1 phase.
Therefore, the correct order is 2, 2, 1, corresponding to option (a) 2, 3, 1.
Answer:
The correct sequence is (a) 2, 3, 1.
Explanation:
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