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प्रश्न
Which of the following oxides is acidic in nature?
विकल्प
B2O3
Al2O3
Ga2O3
In2O3
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उत्तर
B2O3
Explanation:
B2O3 is acidic in nature. It reacts with basic oxides to form metal borates. Acidic nature decreases on moving down the group.
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संबंधित प्रश्न
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PbX2 is more stable than PbX4.
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Pb4+ acts as an oxidising agent but Sn2+ acts as a reducing agent.
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| Column I | Column II |
| (i) Boron in [B(OH)4]– | (a) sp2 |
| (ii) Aluminium in [Al(H2O)6]3+ | (b) sp3 |
| (iii) Boron in B2H6 | (c) sp3d2 |
| (iv) Carbon in Buckminsterfullerene | |
| (v) Silicon in \[\ce{SiO^{4-}4}\] | |
| (vi) Germanium in [GeCl6]2– |
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