Which of the following halogens show the least reactivity towards hydrogen?
Chlorine, Bromine, lodine
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6
Answer:
Use the results in the table to deduce an order of reactivity, starting with the most reactive halogen. The order of reactivity is chlorine > bromine > iodine. This is because chlorine could displace bromine and iodine, bromine could only displace iodine, but iodine could not displace chlorine or bromine.
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2
Answer:
iodine
Explanation:
because it is least reactive halogen
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