A preweighted vessel was filled with ${\rm{C}}{{\rm{O}}_2}$ at STP and weighed. It was then evaluated, filled with ${\rm{S}}{{\rm{O}}_2}$ at the same temperature and pressure and again weighted. The weight of the ${\rm{C}}{{\rm{O}}_2}$ will be

Half that of the ${\rm{S}}{{\rm{O}}_2}$

The same as that of the ${\rm{S}}{{\rm{O}}_2}$

Twice of that of the ${\rm{S}}{{\rm{O}}_2}$

Two third of that of ${\rm{S}}{{\rm{O}}_2}$

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NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Application +4 | -1

A preweighted vessel was filled with

\mathrm{C}{\mathrm{O}_2}

at STP and weighed. It was then evaluated, filled with

\mathrm{S}{\mathrm{O}_2}

at the same temperature and pressure and again weighted. The weight of the

\mathrm{C}{\mathrm{O}_2}

will be

View answer and explanation

Correct option: C

Half that of the

\mathrm{S}{\mathrm{O}_2}

The correct answer is Half that of the

\mathrm{S}{\mathrm{O}_2}

. At the same temperature and pressure, the mass of a gas is proportional to its molar mass. Since the molar mass of SO2 is twice that of CO2, the weight of SO2 will be twice that of CO2.

NEET UG CHEMISTRY MCQ: STATES OF MATTER

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