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Question
Arrange the following (b) Elements of group 17, in decreasing order of reactivity
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Solution
The reactivity of non-metals decreases down the group because the tendency to gain electrons decreases due to an increase in the atomic size.
- Thus, the decreasing order of reactivity of group 17 elements is, F > Cl > Br > I.
The reactivity of non-metals decreases down the group because the tendency to gain electrons decreases due to an increase in the atomic size.
- Thus, the decreasing order of reactivity of group 17 elements is, F > Cl > Br > I.
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