Question

oxidation number of CU in CUSO4 is___________(a) +2 (b) -2 (c)0 (d)+4​

Answer 1

Explanation:

oxidation number of CU in CUSO4 is___________

(a) +2

(b) -2

(c)0

(d)+4

Answer 2

Answer:

we know that the Oxidation Number of -

Sulphur (S) = + 6

Oxygen (O) = - 2

Copper (Cu) = ?

CuSO4

Let Cu be x

then,

x + 6 - 2×4 = 0

x + 6 - 8 = 0

x - 2 = 0

x = + 2