Multiple choice

Which type of oxides are formed by Boron?

  1. Amphoteric oxides

  2. Neutral oxide

  3. Basic oxide

  4. Acidic
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D Correct answer
Explanation

An oxide that combines with water to give an acid is termed as an acidic oxide. Acidic oxides are the oxides of non-metals. Since boron is a non metal, it forms acidic oxide. Boron oxide(B2O3) is acidic and reacts with water to reform boric acid. When combined with water, acidic oxides produce acids. Acidic oxides are, therefore, known as acid anhydrides, e.g., sulphur dioxide is sulphurous anhydride; sulphur trioxide is sulphuric anhydride.

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