СuSO4 + 4NH4OH = [Cu(NH3)4]SO4 + 4H2O
Cu(+2) + SO4(-2) + 4NH4OH= [Cu(NH3)4](+2) + SO4(-2) + 4H2O
Cu(+2) + 4NH4OH = [Cu(NH3)4] (+2) + 4H2O
C2H5OH + 3O2 = 2CO2 + 3H2O
2СH4 =1500C=> HC≡CH+3H2
HC≡CH + H2( 1 моль) = катализатор Линдлара, t, p=> H2C=CH2
H2C=CH2 + H2O =H+=> CH3CH2OH
CH3CH2OH + HBr => CH3CH2Br + H2O
CH3CH2Br + KOH =спирт, t=> H2C=CH2↑+ KBr + H2O
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