Question

Ustal stopnie utleniania atomów w cząsteczkach i jonach.


PbCO3, Ag3PO4, Nh4Br, Co (NO3)2, CdSO4, MnO4^-, CrO4^2-, Cr2O7^2-, AsO3^3-

Answer 1

PbCO₃:
Pb +II, C +IV, O -II

Ag₃PO₄:
Ag +I, P +V, O -II

NH₄Br:
N -III, H +I, Br -I

Co(NO₃)₂:
Co +II, N +V, O -II

CdSO₄:
Cd +II, S +VI, O =II

MnO₄⁻:
Mn +VII, O -II

CrO₄²⁻:
Cr +VI, O -II

Cr₂O₇²⁻:
Cr +VI, O -II

AsO₃³⁻:
As +III, O -II

Pozdrawiam ;>