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AvroraMessi
@AvroraMessi
July 2022
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Осуществите цепочку превращений
Cr->CrCl3->Cr(OH)3->Cr2O3->NaClO2
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Химикобиолог2018
Думаю ты уравняешь самостоятельно.
1) Cr + HCl = CrCl+ H2
2) CrCl3 + H2O = Cr(OH)3
3) 2Cr(OH)3 = Cr2O3+3H2O
4) Cr2O3 + Na + HCl= NaClO2 + CrO
1 votes
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Answers & Comments
1) Cr + HCl = CrCl+ H2
2) CrCl3 + H2O = Cr(OH)3
3) 2Cr(OH)3 = Cr2O3+3H2O
4) Cr2O3 + Na + HCl= NaClO2 + CrO