Chemistry
WAEC 2021
Which of the following statements about elements in Group VII is correct?
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A.
Br\(_{2}\) will oxidize CI\(^{-}\)
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B.
F\(_{2}\) has the least tendency to be reduced
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C.
Cl\(_{2}\) will oxidize I\(^{-}\)
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D.
l\(_{2}\) is a stronger oxidizing agent than F\(_{2}\)
Correct Answer: Option C
Explanation
Cl\(_2\) can oxidize I\(^-\). Chlorine (Cl\(_2\)) is a stronger oxidizing agent than iodine (I\(_2\)), meaning it can take electrons from other substances more readily. In a reaction between Cl\(_2\) and I-, the Cl\(_2\) will gain electrons from I\(_2\) oxidizing I- to I\(^-\).and reducing Cl\(_2\)to Cl\(^-\).
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