12th Class Chemistry Sample Paper Chemistry Sample Test Paper-8

  • question_answer
      Account for the following observation: (a) Among the halogens, fluorine is the strongest oxidizing agent.                                                                            1 (b) Acidity of oxoacid of chlorine is                                                    1

    Answer:

      (a) The electrode potential of is maximum. . That is why it is the strongest oxidizing agent.                                                                                                                                                                                                                                                                                 1 (b) According to Bronsted Lowry concept, a strong acid has a weak conjugate base and a weak acid has a strong conjugate base. Thus the conjugate base of the oxoacid is: The basicity of these conjugate bases are in the following manner:                                                                 Thus, the order of acidity of the acids will be                                                                                                   1


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