Question

podaj stopień utlenienia pierwiastków w związkach chemicznych:

Bi2O5

Na2S2O3

CaO2

MgH2

KAlSi3O8

OF2

Na2O2

AlH3

H4Al2sI2O9

Na2CrO7

K2O2

FeH3

K2Cr2O7

Answer 1

Bi2O5 --- Bi(V), O(-II)

Na2S2O3 --- Na(I), S(VI), S(-II), O(-II)

CO2 --- C(IV), O(-II)

MgH2 --- Mg(II), H(-I)

KAlSi3O8 --- K(I), Al(III), Si(IV), O(-II)

OF2 --- O(II), F(-I)

Na2O2 --- Na(I), O(-I)

AlH3 --- Al(III), H(-I)

H4Al2Si2O9 --- H(I), Al(III), Si(IV), O(-II)

Na2Cr2O7 --- Na(I), Cr(VI), O(-II)

K2O2 --- K(I), O(-I)

FeH3 --- Fe(III), H(-I)

K2Cr2O7 --- K(I), Cr(VI), O(-II)