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    				| 1. | What is the oxidation number of gold in the complex `[AuCl_(4)]^(1-)` ?A. `+4`B. `+3`C. `+2`D. `+1` | 
| Answer» Correct Answer - B Let x be the oxidation number of gold (Au) in the complex `[AuCl_(4)]^(-1)` `:." "x+4(-1)=-1` `rArr" "x=-1+4` `rArr" "x=+3` Hence, the oxidation number of gold is `+3` | |