An element having electronic configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ forms
(a) Acidic oxide (b) Basic oxide
(c) Amphoteric oxide (d) Neutral oxide
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Explanation:
rhe answer is c as per the question
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(b) Basic oxide
Explanation:
Electronic configuration = 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹
Number of electrons = 19
Atomic Number = 19. So the element is Potassium, K.
The oxides which react with water and produce alkali and can neutralize acids forming salt and water are called basic oxides.
Potassium oxide + water produces potassium hydroxide.
Potassium hydroxide reacts with sulfuric acid to form Potassium sulfate and water.
So Oxide of Potassium is basic.
Option B is the answer.
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