question_answer

The root mean square \[(rms)\] speed of oxygen molecules \[{{O}_{2}}\] at a certain temperature \[T\] (degree absolute) is\[\upsilon \]. If the temperature is doubled and oxygen gas dissociates into atomic oxygen. The \[rms\] speed:

A)  becomes\[\upsilon /\sqrt{2}\]                 

B)  remains\[\upsilon \]

C)  becomes\[\sqrt{2}\upsilon \]                   

D)  becomes\[2\upsilon \]