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  • The oxidation number of the underlined atom in the following species Identify the incorrect option.Option: 1 <img alt="\underline{Cl}O_{3}^

The oxidation number of the underlined atom in the following species

Identify the incorrect option.

Option: 1

\underline{Cl}O_{3}^{-}\; is +\! 5
 


Option: 2

K_2\, \underline{Cr}\, _2O_{7}\;\: is +\! 6


Option: 3

H\, \underline{Au}\, Cl_4\;\: is +\! 3

 


Option: 4

Cu_2\, \: \underline{O}\; is -\! 1


Answers (1)

best_answer

In Cu_2O, Cu is in +1 oxidation state and oxygen is in -2 oxidation state.

Hence, the correct answer is option 4.

Posted by

rishi.raj

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