Consider the following statements about an element ‘X’ with number of protons 13.(A) It forms amphoteric oxide(B) Its valency is three(C) The formula of its chloride is XCl3The correct statements(s) is/are(a) only (A) (b) only (B)(c) (A) and (C) (d) (A), (B) and (C)
Correct Answer: (d) (A), (B) and (C)
Explanation: The element that has atomic number 13 is Aluminium. Aluminium has a valency of 3. It forms amphoteric oxide. Its chloride formula is AlCl3. Hence, (d) is the correct option.
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