Chemistry-
General
Easy

Question

Which of the following is the correct order of gradually decreasing basic nature of the oxides

  1. (a) A l subscript 2 end subscript O subscript 3 end subscript, M g O, C l subscript 2 end subscript O subscript 7 end subscript, S O subscript 3 end subscript  
  2. M g O, A l subscript 2 end subscript O subscript 3 end subscript, S O subscript 3 end subscript, C l subscript 2 end subscript O subscript 7 end subscript  
  3. (c) C l subscript 2 end subscript O subscript 7 end subscript, S O subscript 3 end subscript, A l subscript 2 end subscript O subscript 3 end subscript, M g O  
  4. S O subscript 3 end subscript, C l subscript 2 end subscript O subscript 7 end subscript, M g O, A l subscript 2 end subscript O subscript 3 end subscript  

The correct answer is: M g O, A l subscript 2 end subscript O subscript 3 end subscript, S O subscript 3 end subscript, C l subscript 2 end subscript O subscript 7 end subscript


    Across the period non-metallic character increases. Hence basic nature of oxide decreases.

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