Question

Assign oxidation number to each atom in the following species a. Cr(OH)4 b. Na2S2O3 C. H3BO3​

Answer 1

Answer:

Explanation:

(a) +4

X+4(-1) = 0

X= 4

(b) +2

2(+1)+2X+3(-2) =0

2X = 4

X= 2

(c) 3(+1)+ X+3+(-2)= 0

X = 3