Составьте уравнения реакций,соответствующие схемам:
Be →X →Be(OH)2 →Na2BeO2 →BeCl2
Be → BeF2 → Be(OH)2 → Na2BeO2→BeCl2
Be + F2 = BeF2
BeF2 + 2H2O = Be(OH)2↓ + 2HF↑
Be(OH)2 + 2NaOH = Na2BeO2 + 2H2O
Na2BeO2+2NaCl+2H2O=BeCl2+4NaOH
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Answers & Comments
Be → BeF2 → Be(OH)2 → Na2BeO2→BeCl2
Be + F2 = BeF2
BeF2 + 2H2O = Be(OH)2↓ + 2HF↑
Be(OH)2 + 2NaOH = Na2BeO2 + 2H2O
Na2BeO2+2NaCl+2H2O=BeCl2+4NaOH