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ThermodynamicsMedium JEE chemistry MCQ

One mole of an ideal gas at $300 \mathrm{~K}$ in thermal contact with surroundings expands isothermally from $1.0 \mathrm{~L}$ to $2.0 \mathrm{~L}$ against a constant pressure of $3.0 \mathrm{~atm}$. In this process, the change in entropy of surroundings $\left(\Delta S_{\text {surr }}\right)$ in $\mathrm{J} \mathrm{K}^{-1}$ is (1 $\mathrm{L} \operatorname{atm}=101.3 \mathrm{~J})$
  1. A. 5.763
  2. B. 1.013
  3. C. -1.013
  4. D. -5.763

Solution

The correct option is **C**.

CHEMISTRY

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Question
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One mole of an ideal gas at 300 K300 \mathrm{~K} in thermal contact with surroundings expands isothermally from 1.0 L1.0 \mathrm{~L} to 2.0 L2.0 \mathrm{~L} against a constant pressure of 3.0 atm3.0 \mathrm{~atm}. In this process, the change in entropy of surroundings (ΔSsurr )\left(\Delta S_{\text {surr }}\right) in JK1\mathrm{J} \mathrm{K}^{-1} is (1 Latm=101.3 J)\mathrm{L} \operatorname{atm}=101.3 \mathrm{~J})
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Thermodynamics — Medium JEE Chemistry MCQ | MyGoalPrep