1 mol某烃在氧气中充分燃烧，需要消耗氧气179.2 L(标准状况下)。它在

1 mol某烃在氧气中充分燃烧，需要消耗氧气179.2 L(标准状况下)。它在光照的条件下与氯气反应能生成三种不同的一氯取代物。该烃的结构简式是（）

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1 mol某烃在氧气中充分燃烧，需要消耗氧气179.2 L(标准状况下)。它在

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