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What is r.m.s speed of O(2) molecule if...

What is r.m.s speed of `O_(2)` molecule if its kinetic energy is 2 k cal `"mol"^(-1)`?

A

`7.24 xx 10^(2)` m/sec

B

`3.5 xx 10^(2)` m/sec

C

`2 xx 10^(1)` m/sec

D

`3.5 xx 10^(4)` m/sec

Text Solution

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The correct Answer is:
A
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