Basic strength of $N H_{4} O H$ in presence of $N H_{4} C I$

Increase

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Remains unchanged

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Decreases

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Some times increases or sometimes decrease

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Solution

The correct option is C Decreases
While the NH4OH is weak base it does not ionises completely. Thus due to presence of common ion NH4+ in NH4Cl, it supresses the ionisation of weak base NH4OH in order to decrease the OH-concentration so that higher group cations will not get precipitated.

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Similar questions

N H_{4} C I

N H_{4} O H

In the presence of a catalyst, the heat evolved or absorbed during the reaction ..... .

(a) increases
(b) decreases
(c) reamins unchanged
(d) may increase or decrease

N H_{4} C I

N H_{4} O H

N H_{4} C I

N H_{4} O H

K_{b} (N H_{4} O H) = 1.8 * 10^{- 5}

p H = 9

N H_{4} C I

N H_{4} O H

N H_{4} C I

1.0 M

N H_{4} O H

[K_{b} = 1.8 \times 10^{- 5}]

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