$4.0{\rm{g}}$ of argon has pressure $P$ and temperature $T\,\,{\rm{K}}$ in a vessel. On keeping the vessel at $50^\circ $ higher temperature, $0.8{\rm{g}}$ of argon was given out to maintain the pressure $P$. The original temperature was:

JEE CHEMISTRY MCQ: STATES OF MATTER

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Application +4 | -1

4.0\mathrm{g}

of argon has pressure

P

and temperature

T\,\,\mathrm{K}

in a vessel. On keeping the vessel at

50^\circ

higher temperature,

0.8\mathrm{g}

of argon was given out to maintain the pressure

P

. The original temperature was:

View answer and explanation

Correct option: C

200\,\,\mathrm{K}

Option C (

200\;\mathrm{K}

) is correct because it is derived from applying the ideal gas law under the given conditions of constant pressure and volume.

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