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0.15 mole of pyridinium chloride has bee...

`0.15` mole of pyridinium chloride has been added into `500 cm^(3)` of `0.2M` pyridine solution. Calculate pH and hydroxyl ion contration in the resulting solution, assuming no change in volume. `(K_(b)"for pyridine" = 1.5xx10^(-9)M)`

A

`5,10^(-8)` mol/litre

B

`5,10^(-9)` mol/litre

C

`6,10^(-9)` mol/litre

D

`7,10^(-9)` mol/litre

Text Solution

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The correct Answer is:
B
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