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JEE MainChemistryp Block Elements (Group 15, 16, 17 & 18)

The correct sequence of the acid-base nature of the oxides NO , BaO , Sb ₂ O ₃ , and P ₄ O ₁₀ is respectively:

Options

  1. AAcidic, Basic, Amphoteric, Acidic
  2. BNeutral, Amphoteric, Basic, Acidic
  3. CNeutral, Basic, Amphoteric, Acidic
  4. DNeutral, Basic, Basic, Acidic

Correct answer

C. Neutral, Basic, Amphoteric, Acidic

Step-by-step solution

NO is a non-metal oxide which is neutral in nature. BaO is an alkaline earth metal oxide, which is basic in nature. Sb ₂ O ₃ is an oxide of a metalloid (antimony) and is amphoteric in nature. P ₄ O ₁₀ is an oxide of a non-metal (phosphorus) in a high oxidation state, making it strongly acidic. Thus, the correct sequence is Neutral, Basic, Amphoteric, Acidic. Answer: Neutral, Basic, Amphoteric, Acidic

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