MHT CET Chemistry question

ChemistryRedox ReactionsMHT CET

What is the oxidation number of gold in the complex ? [MHTCET 2018, MHTCET 2018]

Answer: (B)

Solution

x + 4(-1) = -1 gives x = +3; +4, +2 and +1 do not give a net charge of -1. Hence the correct option is (b).

Question ID VK-065882