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In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?
(a) 2H2 (l) + O2 (l) ⟶ 2H2O(g)
(b) 2H2 (g) + O2 (l) ⟶ 2H2O (l)
(c) 2H2 (g) + O2 (g) ⟶ 2H2O (l)
(d) 2H2 (g) +O2 (g) ⟶ 2H2O (g)
Correct Answer: (c) 2H2 (g) + O2 (g) ⟶ 2H2O (l)
Explanation: During the formation of water, both hydrogen and oxygen are in gaseous form and the product water is in liquid form.
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