H
hovang49


Hoàn thành chuỗi biến hoá sau:
a)H2O\Rightarrow(A)\RightarrowCu\Rightarrow(B)\Rightarrow(C)\RighttarrowCu
b)KMnO4\Rightarrow(A)\Rightarrow(B)\Rightarrow(C)\Rightarrow(D)\RightarrowCO2
a)H2O\Rightarrow(A)\RightarrowCu\Rightarrow(B)\Rightarrow(C)\RighttarrowCu
b)KMnO4\Rightarrow(A)\Rightarrow(B)\Rightarrow(C)\Rightarrow(D)\RightarrowCO2
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