Chemistry Class 11 NCERT Solutions: Chapter 3 Classification of Elements and Periodicity Part 7

Q: 40. Considering the elements Equation ,the correct order of their chemical reactivity in terms of oxidizing property is:

(A) Equation

(B) Equation

(C) Equation

(D) Equation

Answer:

The oxidizing character of elements increases from left to right across a period. Thus, we get the decreasing order of oxidizing property as Equation

Again, the oxidizing character of elements decreases down a group. Thus, we get Equation .

However, the oxidizing character of Equation is more than that of Equation i.e, Equation .

Hence, the correct order of chemical reactivity of Equation in terms of their oxidizing property is Equation

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