A) \[2:1\]
B) \[4:5\]
C) \[1:1\]
D) \[1:2\]
Correct Answer: C
Solution :
\[KE=\frac{3}{2}nRT\] \[KE\propto n\] \[KE\propto \frac{w}{M}\] \[\frac{{{K}_{{{H}_{2}}}}}{{{H}_{He}}}=\frac{{{M}_{He}}}{{{M}_{H2}}}=\frac{2}{2}=\frac{1}{1}\] \[K{{E}_{{{H}_{2}}}}:K{{E}_{He}}=-1:1\]
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