3) Considere os compostos e as afirmacpes apresentadas sobre eles. (1) HEC CH3 (2) H2C H C = C C=C H
3) Considere os compostos e as afirmacpes apresentadas sobre eles. (1) HEC CH3 (2) H2C H C = C C=C H H H CH₃ =O (3) H4C-C O CH₂ (4) H-C=0 0- CH2 - CH2 - - - - (5) HỌC – CH2–CH, 5 (6) H2C=CH-CH3 1. 1 e 2 são isómeros geométricos; II. 3 e 4 apresentam a mesma fórmula molecular (CsH. Oz), isto é: correspondem à mesma substância, portanto não se trata de isomeria; III. 5 e 6 mostram um exemplo de isomeria de posição; IV. 1, 2, 5 e 6 são hidrocarbonetos, Dessas afirmações, apenas:
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