mavzu 3 (ekvivalent)

ishlanishlarini ko'rish uchun quydagi telegram kanalimizga kiring: kimyo tv 3-mavzu 1. fe molekulasining oksidlanish darajasini aniqlang. a) +6 b) 0 c) +3 d) +2 2. al molekulasining oksidlanish darajasini aniqlang. a) -3 b) 0 c) +3 d) +2 3. o2 molekulasining oksidlanish darajasini aniqlang. a) -3 b) -2 c) 0 d) +2 4. f2 molekulasining oksidlanish darajasini aniqlang. a) -1 b) -2 c) +1 d) 0 5. n2 molekulasining oksidlanish darajasini aniqlang. a) -3 b) +3 c) -1 d) 0 6. so3 dagi oltingugurtning oksidlanish darajasini aniqlang. a) +4 b) +6 c) +2 d) -4 7. p2o5 dagi fosdorning oksidlanish darajasini aniqlang. a) -3 b) +2 c) +3 d) +5 8. cl2o7 dagi xlorning oksidlanish darajasini aniqlang. a) +7 b) …

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