The acidic, basic and amphoteric oxides, respectively, are :
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- \(\mathrm{Cl_2O}\), CaO, \(\mathrm{P_4O_{10}}\)
- \(\mathrm{N_2O_3}\), \(\mathrm{Li_2O}\), \(\mathrm{Al_2O_3}\)
- MgO, \(\mathrm{Cl_2O}\), \(\mathrm{Al_2O_3}\)
- \(\mathrm{Na_2O}\), \(\mathrm{SO_3}\), \(\mathrm{Al_2O_3}\)
The Correct Option is B
Solution and Explanation
(1) \(\mathrm{Cl_2O}\) acidic, CaO basic, but \(\mathrm{P_4O_{10}}\) is acidic, not amphoteric: wrong.
(2) \(\mathrm{N_2O_3}\) acidic (anhydride of \(\mathrm{HNO_2}\)), \(\mathrm{Li_2O}\) basic, \(\mathrm{Al_2O_3}\) amphoteric: correct.
(3) MgO is basic (not acidic): wrong.
(4) \(\mathrm{Na_2O}\) is basic (not acidic): wrong.
Answer: (2) \(\mathrm{N_2O_3}\), \(\mathrm{Li_2O}\), \(\mathrm{Al_2O_3}\)
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