One unit volume of $N_{2}$ reacts with 3 unit volumes of $H_{2}$ to form 2unit volumes of $N H_{3}$ . This is in accordance with ?

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Avogadro’s law

Gay-lussac’s law

Law of conservation of mass

Law of multiple proportions

answer is B.

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Detailed Solution

According to Gay – Lussac’s law, gases that are combined or produced in a chemical reaction are present in a simple whole number ratio of volume, when the pressure and temperature of the respective gases are the same.

The given problem follows Gay-Lussac's law because the ratio of volume of nitrogen and hydrogen gas is 1:3.

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