1.

The P^(H)of 10^(-3) M mono acidic base, if it is 1% ionised is

Answer»

5
8
3
9

Solution :` ALPHA =0.01 = 10 ^(-2)rArr [OH^(-)] =C .alpha =10 ^(-3)xx 10 ^(-2) `
` = 10 ^(-5) rArr pOH =5, pH =9`


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