A) 12 min
B) 32 min
C) 8 min
D) 64 min
Correct Answer: D
Solution :
\[\frac{{{r}_{{{H}_{2}}}}}{{{r}_{{{O}_{2}}}}}=\sqrt{\frac{{{M}_{{{O}_{2}}}}}{{{M}_{{{H}_{2}}}}}}\] \[\frac{50/20}{40/t}=\sqrt{\frac{32}{2}}\] \[\left( \because \,r=\frac{V}{t} \right)\] \[\frac{t}{16}=4\Rightarrow t=64\,min\]You need to login to perform this action.
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