1.

At 27^(@)C , the ratio of r.m.s. velocities of ozone and oxygen is :

Answer»

`SQRT( 3 //5 )`
`sqrt( 4//3)`
`sqrt( 2//3)`
`0.25`

Solution :`( "r.m.s. velocity" ( O_(3)))/("r.m.s. velocity"(O_(2))) = sqrt(( 32)/( 48)) = sqrt(( 2 )/( 3))`


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