A) 50
B) 25
C) \[25\sqrt{2}\]
D) \[50\sqrt{2}\]
Correct Answer: A
Solution :
\[{{r}_{g}}=\frac{1}{5}.{{r}_{{{H}_{2}}}}\] \[\frac{{{M}_{g}}}{{{M}_{{{H}_{2}}}}}={{\left[ \frac{{{r}_{{{H}_{2}}}}}{{{r}_{g}}} \right]}^{2}}={{(5)}^{2}}=25\]; \[{{M}_{g}}=2\times 25=50\]
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