CBSE Class 11-science Answered
why would the basic strength of NH4OH decrease on addition of NH4Cl ?
Asked by astutijoshi | 15 Sep, 2019, 03:09: PM
Expert Answer
NH4OH is a weak base it does not ionizes completely, while NH4Cl is a strong electrolyte, It decomposes completely. Due to the presence of NH4+ in NH4Cl, It suppresses the ionisation of weak base NH4OH to decrease the OH- ion concentration so that higher group cations will not get precipitated. So basic strength of NH4OH decreases. This effect is known as the common ion effect.
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