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Hydroxyl ion concentartion of 1 M HCI is...

Hydroxyl ion concentartion of 1 M HCI is

A

`1 xx 10^(1) mol` `dm^(-3)`

B

`1 xx 10^(-13) mol` `dm^(-3)`

C

`1 xx 10^(-1) mol` `dm^(-3)`

D

`1 xx 10^(-14) mol` `dm^(-3)`

Text Solution

Verified by Experts

The correct Answer is:
D
1 M HCI, conc. Of `H^(+) = 1 "mol"/dm^(3)`
Now `K_(w) = [H^(+)][OH^(-)]`
i.e `10^(-14) = 1 xx [OH^(-)]`
`therefore [OH^(-)] = 1 xx 10^(-14)` mol/`dm^(3)`
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