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Chemistry - Ideal Gas Question with Solution | TestHub

ChemistryIdeal GasIdeal Gas Equation & problemsMedium2 minQB

ChemistryMediumsingle choice

Volume versus temperature graph of an ideal gas of equal number of moles at different pressures is plotted as shown in figure. Choose the correct alternative -

Options:

Answer:

Solution:

$V$ = ( $n R$ / $P$ ) $T$ , so the slope of a $V$ vs $T$ line is $n R$ / $P$ . For equal $n$ , a steeper line means a smaller pressure.

Points 1 and 2 lie on the same (steepest) line, so $P_{1}$ = $P_{2}$ . Point 3 is on a flatter line and point 4 on the flattest line, so $P_{3}$ > $P_{1}$ and $P_{4}$ > $P_{3}$ .

$P_{1}$ = $P_{2}$ < $P_{3}$ < $P_{4}$ .

Answer: (A).

Stream:JEESubject:ChemistryTopic:Ideal GasSubtopic:Ideal Gas Equation & problems

⏱ 2mℹ️ Source: QB

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