MHT CET 2025 Chemistry question

Which from following is true according to Gay-Lussac's law?

(A) = constant at constant pressure and for fixed mass of gas
(B) = constant at constant temperature and fixed mass of gas
(C) = constant at constant volume and fixed mass of gasCorrect
(D)P x V = constant at constant temperature and for fixed mass of gas

Answer: (C)

Solution

Gay-Lussac's law (pressure-temperature law) states that, for a fixed mass of gas at constant volume, pressure is directly proportional to absolute temperature: , i.e. constant. That is option (C). Option (A) is

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Question ID VK-100583