1.

The root mean square speed of oxygen at 27^(@)C is 760 cm s^(-1). The root mean square speed of hydrogen at the same temperature will be :

Answer»

3040 cm `s^(-1)`
190 cm `s^(-1)`
`1520 cm s^(-1)`
760 cm `s^(-1)`

Solution :`( mu ( O_(2)))/( mu ( H_(2))) = sqrt(( 2 )/( 32)) = sqrt(( 1 )/( 16)) = ( 1)/( 4)`
`:. mu ( H_(2)) = mu ( O_(2)) XX 4 `
`= 760 xx 4 = 3040cm s^(-1)`


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