A.CH≡CH+H2OCH3CHO |
B.C2H5Br+H2OC2H5OH+HBr |
C.CaC2+2H2OCa(OH)2+C2H2↑ |
D.CH3COOCH3+H2OCH3COOH+CH3OH |
A. | B. | C. | D.无法确定 |
A.1种 | B.2种 | C.3种 | D.4种 |
A.3 | B.4 | C.5 | D.6 |
A.两个羟基 | B.一个醛基 | C.两个醛基 | D.一个羧基 |
A.19.5 mol | B.20 mol | C.20.5 mol | D.21 mol |
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