Question

2) At what temperature, the r.m.s. speed of the
molecules of a gas is half its value at NTP?
A) OK
B) 273 K
C) 150 K
D) 68.25 K​

Answer 1

Answer:

answer (a) OK is a correct answer

Answer 2

Answer:

68.5K

Explanation:

Use the formula Vrms=root 3RT/M

and solve you will get answer as 68.5K

If it was correct mark my answer as brainliest good day