Question

$100mL$ of $O_2$ gas diffuses in $10s$. $100mL$ of gas ${}^{\prime }{X}^{\prime }$ diffuses in ${}^{\prime }{t}^{\prime }$ second. Gas ${}^{\prime }{X}^{\prime }$ and time ${}^{\prime }{t}^{\prime }$ can be?

• A. $H_2$, $2.5s$
• B. $S{O}_2$, $16s$
• C. $CO$, $10s$
• D. $He$, $4s$

Answer 1

The correct option is A $H_2$, $2.5s$