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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2002
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Q)

Solution of 0.1N $NH_4 OH$ and 0.1N $NH_4Cl$ has pH 9.25, Then find out $PK_b$ of $NH_4OH$ : -


( A ) 8.25
( B ) 4.75
( C ) 3.75
( D ) 9.25

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