Question

Pls answer these question 1. Q no. 5
2. Q no. D (c)

Answer 1

Answer:

oxidation number of Au is +3

oxidation number of Sn is +2

oxidation number of V is +5

oxidation number of Pt is +4

oxidation number of As is +3

stock notaion is the method of representing oxidation number of a metal by Roman numerals I, II, III etc.