JEE Main Chemistry question

Chemistry Some Basic Concepts of Chemistry JEE Main

of oxygen and of hydrogen are kept at the same temperature and pressure. Which is correct about the number of molecules? **[OJEE 2009]**

(A)
(B)
(C)
(D)Correct

Answer: (D)

Solution

By Avogadro's law, equal volumes of any gases at the same temperature and pressure contain equal numbers of molecules, regardless of their identity or molar mass. Since both

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Question ID VK-133978