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NEET2019ChemistryClassification of Elements and Periodicity in PropertiesActual

Match the oxide given in column A with its property given in column B. Which of the following options has all correct pairs?

Options

  1. A1 - (ii), 2 - (i), 3 - (iv), 4 - (iii)
  2. B1 - (iii), 2 - (ii), 3 - (i), 4 - (iv)
  3. C1 - (i), 2 - (ii), 3 - (ii), 4 - (iii)
  4. D1 - (ii), 2 - (iv), 3 - (i), 4 - (iii)

Correct answer

D. 1 - (ii), 2 - (iv), 3 - (i), 4 - (iii)

Step-by-step solution

Key Idea Metal oxides are basic, non-metal oxides are acidic while semi-metal oxides are amphoteric in nature. Thus, the basic character of oxides decreases across the period and increases down the group. The correct match of oxide with its property are as follows: Na ₂ O - Basic Al ₂ O ₃- Amphoteric N ₂ O - Neutral Cl ₂ O ₇ - Acidic Thus, option (4) is correct.

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