1.осуществите превращение СH4>CH3Br>CH3OH>HCOH 2.осуществите превращение CH3COH>CH3COOH>CH3COONa
СH4>CH3Br>CH3OH>HCOH
CH4+Br2=CH3Br+HBr
CH3Br+H2O=CH3OH+HBr
CH3OH=HCOH+H2
CH3COH>CH3COOH>CH3COONa
CH3COH+H2O=CH3COOH+H2
2CH3COOH+2Na=2CH3COONa+H2
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