Q.

45.4 L of dinitrogen reacted with 22.7 L of dioxygen and 45.4 L of nitrous oxide was formed. The reaction is given below.2 N2(g)+O2(g)⟶2 N2O(g)Which law is being obeyed in this experiment?

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a

Law of conservation of mass

b

Law of definite proportion

c

Law of multiple proportion

d

Gay Lussac's law of gaseous volumes

answer is D.

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Detailed Solution

22V N2(g)+O2(g)1 V⟶ 2 N2O(g)2V45.422.7=2, 22.722.7=1, 45.422.7=2Hence, the ratio between the volumes of the reactants and the product in the given question is simple, i.e.2: I : 2, it proves the Gay Lussac's law of gaseous volumes, which states that when gases combine or are produced in a chemical reaction, they do so in a simple ratio by volume provided all gases are at the same temperature and pressure.
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