1.

Hydrogen ion concentration of an aqueous solution is 1 xx 10^(-4)M. The solution is diluted with equal volume of water. Hydroxyl ion concentration of the resultant solution in terms of mol dm^(-3) is

Answer»

`2 XX 10^(-10)`
`0.5 xx 10^(-10)`
`1 xx 10^(-8)`
`1 xx 10^(-6)`

Solution :After dilution with EQUAL volume of water `[H^(@)] = 0.5 xx 10^(-4)M`
`rArr [OH^(-)] = (10^(-14))/(0.5 xx 10^(-4)) = 2 xx 10^(-10)` MOLES `dm^(3)`


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