Teaching DSSSB PGT Mock Test 2025 Chemistry Equilibrium Ionic Equilibrium

What is the concentration of OH ^-1 in 0.1 M solution of NH₄OH having Kb = 2 x10 ^{– 5} ?

1

2.68 x 10 ^{– 3} molL^-1

2

2.68 x 10³ molL^-1

3

1.41 x 10 ^{– 3} molL^-1

4

1.41 x 10³ molL^-1

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