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Question
Among the following order, which one is the correct order of reactivity of group 16 elements?
Options
O > S > Se > Te > Po
O > Se > Te > S > Po
Po > Te > Se > S > O
S > O > Se > Te > Po
MCQ
Solution
O > S > Se > Te > Po
Explanation:
Among the other elements in group 16, oxygen is the most reactive. As we advance down the group, the reactivity drops because the atomic radius increases, and therefore the effective nuclear charge reduces, resulting in a decrease in chemical reactivity. So, the reactivity order will be
O > S > Se > Te > Po
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Chemical Properties of Elements of Groups 16, 17 and 18
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