Question

Which of the following statement about Avogadro's hypothesis is correct?

• A. Under similar conditions of temperature and pressure, gases react with each other in simple ratio.
• B. Under similar conditions of temperature and pressure, equal volumes of all gases contain same number of molecules
• C. At NTP all gases contain same number of molecules
• D. Gases always react with gases only at the given temperature and pressure

Answer 1

Answer: (B)

Under similar conditions of temperature and pressure, equal volumes of all gases contain same number of molecules

Avogadro’s Law states that under same conditions of temperature and pressure, equal volume of all the gases contain equal number of molecules.