MCQ
Most stable oxidation state of gold is:
- ✓$+1$
- B$+3$
- C$+2$
- D$0$
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$\mathrm{A}_{2}(\mathrm{g})+\mathrm{B}_{2}(\mathrm{g}) \rightleftharpoons \mathrm{X}_{2}(\mathrm{g}) \Delta_{r} \mathrm{H}=-\mathrm{X} \mathrm{kJ} ?$