Tentukan bilangan oksidasi dari unsur yang digaris bawahi berikut ! a. AlO⁻₂ b. C₂O²⁻₄ c, S₂O²⁻₈ d. BrO⁻₃ e. AsO³⁻₄ plis bantuan jawabannya, yang bisa yolongin saya :(
Keyliaa. AlO⁻₂ Al + (2 x -2) = -1 Al - 4 = -1 Al = -1 + 4 Al = +3
b. C₂O²⁻₄ 2C + (4 x -2) = -2 2C - 8 = -2 2C = -2 + 8 2C = -6 C = -3
Al + (2 x -2) = -1
Al - 4 = -1
Al = -1 + 4
Al = +3
b. C₂O²⁻₄
2C + (4 x -2) = -2
2C - 8 = -2
2C = -2 + 8
2C = -6
C = -3
c, S₂O²⁻₈
2S + ( 8 x -2) = -2
2S - 16 = -2
2S = -2 + 16
2S = +14
S = +7
d. BrO⁻₃
Br + (3 x -2) = -1
Br - 6 = -1
Br = -1 + 6
Br = +5
e. AsO³⁻₄
As + (4 x -2) = -3
As - 8 = -3
As = -3 +8
As = +5