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Explain hydrolysis, i.e, what types of molecules undergo hydrolysis (be specific) and show equations for reactions...

Explain hydrolysis, i.e, what types of molecules undergo hydrolysis (be specific) and show equations for reactions of acid, base, and salt hydrolysis not used as examples in the introduction to this experiment.

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Expert Solution

The reaction which involves breaking of bond using water molecule is called as hydrolysis. Mainly, there are three types of hydrolysis we talk in chemistry.

Hydrolysis of Salt: When we add salt to the water to make its solution. E.g. NaCl (common salt) the bond between Na+ and Cl- breaks and it becomes solution of ions Na+ and Cl-.

NaCl(s) -> Na+(aq) + Cl-(aq)

There is a possibility that these Na+ ions are stabilised by OH- ions which are formed by dissociation of H2O, and on the other side Cl- are stabilized by H+ ions which are formed by dissociation of H2O. Each of these ions are conjugate strong acid-base pairs of each other respectively.

When salt is of strong acid base (NaCl), then the aq. Solution formed is neutral. When salt is of

Strong acid weak base (NH4Cl) solution formed is acidic, and when salt is of weak acid strong base (CH3COONa) solution formed is basic.

Acid Hydrolysis: When acid is added to the water, water act as a base which can abstract proton from acid to give solution of H3O+ and conjugate base.

CH3COOH(l) + H2O(l) -> CH3COO-(aq) + H3O+(aq)

Base Hydrolysis: When base is added to the water, water act as an acid which gives proton to form OH- ion and conjugate acid.

NH3(g) + H2O(l) -> NH4+(aq) + OH-(aq)


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