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#6 | Ionic Equlibrium: Concept of Acids & Bases
(Chemistry) > Equilibrium

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Which salt undergoes hydrolysis?

1. CH3COONa                                     

2. KNO3

3. NaCl                                               

4. K2SO4

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Three reactions involving H2PO4- are given below:

(i) H3PO4 + H2H3O+H2PO4-

(ii) H2PO4- + H2HPO42- + H3O+

(iii) H2PO4- + OHH3PO4 +O2-

In which of the above does H2PO4- act as an acid?

1. (i) only                                 

2. (ii) only

3. (i) and (ii)                           

4. (iii) only

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The compound that does not act as Lewis acid is:

1. AlCl3                                           

2. BF3

3. NH3                                             

4. FeCl3

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The conjugate base of [Al(H2O)3(OH)3] is:

1. [Al(H2O)3(OH)2]+                           

2. [Al(H2O)3(OH)2O]-

3. [Al(H2O)3(OH)3]-                           

4.  [Al(H2O)2(OH)4]-

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Which is Lewis base?

1. HCl               

2. HNO3

3. HF               

4. NH3

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