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JEE Main 201411 AprilOnline
Exam
JEE Main
Year
2014
Date
11 April
Mode
Online
Subject
Chemistry
Chapter
States of Matter

JEE Main 2014 · 11 April · Online · Chemistry · States of Matter

The initial volume of a gas cylinder is 750.0 ~mL . If the pressure...

The initial volume of a gas cylinder is 750.0 mL750.0 \mathrm{~mL}. If the pressure of gas inside the cylinder changes from 840.0 mmHg840.0 \mathrm{~mm} \mathrm{Hg} to 360.0 mmHg360.0 \mathrm{~mm} \mathrm{Hg}, the final volume the gas will be:

Options

  1. A1.750 L1.750 \mathrm{~L}
  2. B3.60 L3.60 \mathrm{~L}
  3. C4.032 L4.032 \mathrm{~L}
  4. D7.50 L7.50 \mathrm{~L}

Correct answer

A. 1.750 L1.750 \mathrm{~L}

Step-by-step solution

According to Boyle's law V1V2=P2P1;750V2=360840V2=1750ml=1.750 L\begin{aligned}&\frac{V_1}{V_2}=\frac{P_2}{P_1}; \frac{750}{V_2}=\frac{360}{840}\\ &V_2=1750 \mathrm{ml}=1.750 \mathrm{~L} \end{aligned}
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