Question

Расставьте степени окисления: Cr2O3, Al2O3, HNO3, HClO2, HNO2, H2SO3

Answer 1

Cr2O3 - Cr = +3, O = -2

Al2O3 - Al = +3, O = -2

HNO3 - H = +1, N = +5, O = -2

HClO2 - H = +1, Cl = +3, O = -2

HNO2 - H = +1, N = +3, O = -2

H2SO3 - H = +1, S = +4, O = -2