Consider the Following Van Der Waals Coefficients Which of the Following Gases Has the Smallest Attractive Forces

Multiple Choice

Consider the following van der Waals coefficients: $$\begin{array} { | l | l | l | } \hline \text { Gas } & \mathrm { a } , \mathrm { L } ^ { 2 } \text { atm } \mathrm { mol } ^ { - 2 } & \mathrm {~b} , \mathrm {~L} \cdot \mathrm { mol } ^ { - 1 } \\\hline \text { helium } & 0.034 & 0.0237 \\\hline \text { hydrogen } & 0.244 & 0.0266 \\\hline \text { neon } & 0.211 & 0.0171 \\\hline \text { krypton } & 2.32 & 0.0398 \\\hline \text { xenon } & 4.19 & 0.0511 \\\hline \text { chlorine } & 6.49 & 0.0562 \\\hline \text { carbon diozide } & 3.59 & 0.0427 \\\hline \text { ammonia } & 4.17 & 0.0371 \\\hline \text { water } & 5.46 & 0.0305 \\\hline\end{array}$$ Which of the following gases has the smallest attractive forces?

A) Ammonia
B) Hydrogen
C) Neon
D) Helium
E) Chlorine