MCQ
Following gases are kept at the same temperature. Which gas possesses maximum r.m.s. speed?
- AOxygen
- BNitrogen
- ✓Hydrogen
- DCarbon dioxide
✓
Answer
Correct option: C.
Hydrogen
Out of all gases, hydrogen gas has the minimum molecular mass, therefore hydrogen gas will have the highest $\text{r.m.s}$ speed.
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