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Karen1210
@Karen1210
March 2022
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Помогите пожалуйста с цепочкой
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vbotalygin
1) H3CCH(Br)-CH2-CH2Br + Zn = C4H8 (X1) + ZnBr2;
2) C4H8 + HBr = H3C-CH(Br)-CH2-CH3 (X2);
3) 2H3C-CH(Br)-CH2-CH3 + 2Na = H3C-CH2-CH(CH3)-CH(CH3)-CH2-CH3 (3,4-диметилгексан) + 2NaBr;
4) H3C-CH2-CH(CH3)-CH(CH3)-CH2-CH3 (450 C, Cr2O3) = C6H4(CH3)-CH3 (X3) + 4H2;
5) 5C6H4(CH3)-CH3 + 12KMnO4 + 18H2SO4 (90 C) = 5C6H4(COOH)-COOH + 6K2SO4 + 12MnSO4 + 28H2O.
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Answers & Comments
2) C4H8 + HBr = H3C-CH(Br)-CH2-CH3 (X2);
3) 2H3C-CH(Br)-CH2-CH3 + 2Na = H3C-CH2-CH(CH3)-CH(CH3)-CH2-CH3 (3,4-диметилгексан) + 2NaBr;
4) H3C-CH2-CH(CH3)-CH(CH3)-CH2-CH3 (450 C, Cr2O3) = C6H4(CH3)-CH3 (X3) + 4H2;
5) 5C6H4(CH3)-CH3 + 12KMnO4 + 18H2SO4 (90 C) = 5C6H4(COOH)-COOH + 6K2SO4 + 12MnSO4 + 28H2O.