11th Class Chemistry Classification of Elements and Periodicity in Properties

  • question_answer 50) Considering the elements, F, Cl, O and N the correct order of their chemical reactivity in terms of oxidising property is: (a) F > Cl > O > N (b) F> O > Cl > N (c) Cl > F > O > N (d) O > F > N > Cl  


    (b) In a period, oxidising character increases from left to right while in a group of halogens, it decreases from top to bottom.

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