1 вариант:N2 = 0AlCl3 = +3, -1KClO3 = +1, +5, -22 вариант: HI = +1, -1FeI3 = +3, -1
SiF4 = +4, -1
Na2SO3 = +1, +6, -2
3 вариант:
O3 = 0H2S = +1, -2N2H4 = -2, +1H202 = +1, -1H4P2O7 = +1, +5, -2
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Answers & Comments
1 вариант:
N2 = 0
AlCl3 = +3, -1
KClO3 = +1, +5, -2
2 вариант:
HI = +1, -1
FeI3 = +3, -1
SiF4 = +4, -1
Na2SO3 = +1, +6, -2
3 вариант:
O3 = 0
H2S = +1, -2
N2H4 = -2, +1
H202 = +1, -1
H4P2O7 = +1, +5, -2