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प्रश्न
Assertion (A): In a gaseous reaction, the ratio of volumes of reactants and gaseous product is in agreement with their molar ratio.
Reason (R): Volume of gas is inversely proportional to its moles at a particular temperature and pressure.
पर्याय
If both A and R are true, and R is the correct explanation of A.
If both A and R are true, but R is not the correct explanation of A.
If A is true, but R is false.
If both A and R are false.
MCQ
विधान आणि तर्क
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उत्तर
If A is true, but R is false.
Explanation:
The assertion is true because, according to Gay-Lussac’s Law of Combining Volumes, gases react in simple whole-number volume ratios which directly match their stoichiometric molar ratios. The reason is completely false because Avogadro’s Law states that the volume of a gas is directly proportional to its number of moles at a constant temperature and pressure, not inversely proportional.
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