Question

name one compound in which oxidation number of Cl is +7​

Answer 1

The oxidation number of chlorine can be -1, 0, +1, +3, +4, +5, or +7, depending on the substance containing the chlorine. The most common oxidation numbers are -1 (as in HCl and NaCl ) and 0 (as in Cl2—chlorine gas ).

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Answer 2

Cl2 O7 (dichlorine heptoxide)

2x+7(-2)=0

2x=14

x=+7

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