Изомеры C5h8
Почему нельзя перенести тройную связь в центр?
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                                 Cu-->CuO-->Cu(OH)2-->CuSO4-->Cu(NO3)2
2Cu+O2-->2CuO
CuO+H2SO4-->CuSO4+H2O
CuSO4+2NaOH-->Cu(OH)2+Na2SO4
Cu(OH)2+HNO3-->Cu(NO3)2+H2O
                                   Zn-->ZnCl2-->Zn(OH)2-->ZnO-->ZnSO4
Zn+2HCL-->ZnCL2+H2↑
2ZnCl+2NaOH-->Zn(OH)2+2NaCl
Zn(OH)2-->ZnO+H2O
ZnO+H2SO4-->ZnSO4+H2O
                                  Mg-->MgCl2-->Mg(OH)2-->MgO-->MgSO4
Mg+2HCl-->MgCl2+H2↑
MgCL2+2KOH-->Mg(OH)2+2KCl
Mg(OH)2-->MgO+H2O
MgO+H2SO4-->MgSO4+H2O

Al-->Al2O3-->Al2(SO4)3--Al(OH)3-->Al2O3

4Al+3O2-->2Al2O3
Al2O3+3H2SO4-->Al2(SO4)3+3H2O
Al2O3+6NaOH-->3Na2SO4+2Al(OH)3
2Al(OH)3-->Al2O3+3H2O

Cr-->CrCl3-->Cr(OH)3-->Cr2O3-->Cr(NO3)3

2Cr+6HCl-->2GrCl3+3H2↑
GrCl3+3NaOH-->Gr(OH)3+3NaCl
2Gr(OH)3-->Gr2O3+3H2O
Gr2O3+3HNO3-->Gr(NO3)3+3H2O