Question

among the following gas which has the lowest root mean square velocity at 25 degree celsius H2, SO2, N2 and O2

Answer 1

ANSWERE

________

SO² IS THE ANSWERE

Answer 2

Answer:

Cl2Chlorine gas has the lowest root mean square speed at 25

o

C as it has highest molar mass (71 g/mol)

V

rms

=

M

3RT

RMS speed is inversely proportional to the square root of molar mass.

Higher is the molar mass of the substance, lower is the root mean square velocity of it.

Hence, the correct option is D