1.

The number of moles of oxygen obtained by the electrolytic decomposition of 90g water is :A. 1 moleB. 2.5 moleC. 2 moleD. Data sufficient

Answer» Correct Answer - B
`H_(2)O to H_(2) + (1)/(2) O_(2)`
`because` 18 gms of water gives 0.5 moles oxygen
`because` 90 gms of water give `(0.5)/(18) xx 90 = 2.5` moles of oxygen


Discussion

No Comment Found

Related InterviewSolutions