1.

pH value of which of the followingis NOT equal to one ?

Answer»

`0.1 M CH_(3) CO OH`
`0.1 M HNO_(3)`
`0.05 MH_(2) SO_(4)`
`50 cm^(3) 0.4 M HCl + 50 cm^(3) 0.2 M NAOH`

Solution :As `CH_(3)CO OH` does not DISSOCIATE completely, , its `10^(-1)M` solution does not have pH = 1


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