MCQ
The temperature at which helium molecules have the same rms speed as hydrogen molecules at STP is
$\left[\mathrm{M}_{\mathrm{OH}}=\mathrm{M}_{\mathrm{OHe}}=4 \mathrm{~g} / \mathrm{mol}\right]$
$\left[\mathrm{M}_{\mathrm{OH}}=\mathrm{M}_{\mathrm{OHe}}=4 \mathrm{~g} / \mathrm{mol}\right]$
- A$1092 \mathrm{~K}$
- ✓$546 \mathrm{~K}$
- C$300 \mathrm{~K}$
- D$273 \mathrm{~K}$.