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化学 | 溯真题命题之本谋有机一轮复习之策——基于2026年高考化学有机试题的思考

  • 2026-11-04 18:08:58
化学 | 溯真题命题之本谋有机一轮复习之策——基于2026年高考化学有机试题的思考
征稿 | 2027年《教学考试》物理·化学·生物学

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康晓娟,中学高级教师,西安高新第一中学教育集团化学教研组组长。陕西省学科带头人、陕西省优秀教学能手、陕西省教坛新秀、西安市基础教育教学名师,先后荣获市教学能手、市优秀教师、市优秀党员等荣誉,课例入选教育部基础教育精品课。常年指导学生参与全国化学奥林匹克竞赛,多名学生摘得金牌;多次开设省市级公开课、示范课,开展教研专题讲座;主持完成多项省市级重点课题,编写多部校本教学资料,多篇教研论文公开发表,在区域化学学科教学中发挥示范引领作用。

本文已刊载于《教学考试》杂志(高考化学)2026年第6期。
随着新课标、新教材、新高考的持续深化,有机化学模块命题实现根本性转型,从单一的“官能团识别”走向价值引领、素养导向、能力为重、结构为基的综合测评。通过梳理2026年各省市高考化学试卷可以发现,有机试题命题特征清晰:依托真实科研情境、侧重陌生反应迁移、突出合成策略逻辑、强化定量结构分析,命题导向已经由单纯“记忆反应方程式”转向有机化学学科核心素养的综合考查,这也要求我们同步优化一轮有机复习的实施策略。
 一、立足真实科研情境,实现多模块知识融合应用
情境载体真实化是近年高考有机试题最显著的变化之一。传统有机复习仅聚焦官能团性质、基础反应方程式书写;当下考题以真实药物、农药、天然活性分子、功能材料合成为载体,要求学生先读懂复杂碳骨架,再结合有机反应信息推断转化路径,同时融合手性、杂环、H-NMR分析等拓展设问。这意味着一轮复习不能再按“必修结束再选择性必修”的顺序机械推进。复习有机合成路线时,教师可引入“骨架决定性质”的视角,将立体结构、基团保护、占位定位、环化反应等融入其中;复习烃及其衍生物时,将基础官能团转化、选择性氧化还原、同分异构计数、波谱分析等串联起来。在一轮复习阶段,教师要引导学生主动搭建有机知识横向关联网络,帮助学生面对陌生、复杂的合成流程时,快速调取反应规律,从容拆解转化步骤。
 二、聚焦结构深度解析,推进定性到定量思维升级
有机结构原理是高考化学试题区分度最高的板块之一。从各地高考试题来看,同分异构体考查已经从简单官能团异构书写,深入到'H-NMR峰面积、分子对称性、多官能团限定、含氮杂环计数等定量分析,突破思维定式。教师需引导学生熟练运用不饱和度计算、等效氢判定、分类枚举等方法,依托结构对称性规避漏写、重复计数等问题;在信息迁移方面,Diels-Alder(第尔斯-阿尔德)环加成、Dieckmann(迪克曼)缩合、Suzuki(铃木-宫浦)偶联、Fries(佛利斯)重排等陌生反应频繁出现在考题中,同一信息多处设问成为新考法,要求学生现场学习反应机理,类比迁移至新的合成路线。这些能力的培养需要依托一轮复习循序渐进渗透,难以依靠二轮复习短期突击、速成拔高。
 三、强化信息迁移训练,挖掘反应机理内在逻辑
2026年高考化学多套试卷的有机试题,均以药物中间体、活性化合物的合成路线为真实情境,重点考查合成路线设计与结构逻辑推理能力,信息迁移设问的创新性显著。有机模块一轮复习需全程渗透化学学科素养。复习烃的衍生物时,强化官能团保护、占位定位等合成策略的训练;在梳理有机反应类型的过程中,基于题干给出的陌生信息开展类比迁移训练。对于教材中的经典有机反应,可以进行“二次开发”,如醛酮缩合、Diels-Alder(第尔斯-阿尔德)环加成等,给出陌生信息后,引导学生自主推断中间体、设计后续合成步骤,经历完整的迁移推理过程。相较于死记硬背反应方程式,这种教学方式更能夯实有机综合解题能力。
 四、狠抓答题规范落实,破解“会而不对”失分难题
多数学生有机板块失分,并非知识储备不足,而是有机化学语言表述、结构书写格式不规范。新高考对合成路线书写、同分异构体结构书写、反应条件选择的考查力度持续加大。作答“引入官能团的目的(保护/占位)”类主观题,不能仅简单写“防止基团发生反应”,需遵循“条件—原理一结论”的逻辑进行完整表述;书写有机物结构简式、合成路线时,要养成“先分析碳骨架、再标注官能团、补齐反应条件”的习惯。规范表达需要日常积累,从一轮复习开始严格要求,才能在高考中减少非知识性失分。
一轮复习是有机化学备考夯实基础、培育学科思维的核心阶段。只有锚定高考有机命题方向,优化教学设计与训练路径,帮助学生建立起完整的有机化学思维,才能支撑后续复习稳步推进。

作者:康晓娟,陕西省西安高新第一中学。

来源:本文已刊发于2026年《教学考试》高考化学6

声明:此文版权归原作者所有,若有来源错误或者侵犯您的合法权益,您可通过邮箱与我们取得联系,我们将及时进行处理。邮箱地址:540858691@qq.com

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  1. CONNECT:[ UseTime:0.000459s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000677s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000379s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000417s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000737s ]
  6. SELECT * FROM `set` [ RunTime:0.000348s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000770s ]
  8. SELECT * FROM `article` WHERE `id` = 536799 LIMIT 1 [ RunTime:0.000432s ]
  9. UPDATE `article` SET `lasttime` = 1793801829 WHERE `id` = 536799 [ RunTime:0.001162s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000382s ]
  11. SELECT * FROM `article` WHERE `id` < 536799 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000512s ]
  12. SELECT * FROM `article` WHERE `id` > 536799 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000516s ]
  13. SELECT * FROM `article` WHERE `id` < 536799 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000724s ]
  14. SELECT * FROM `article` WHERE `id` < 536799 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000832s ]
  15. SELECT * FROM `article` WHERE `id` < 536799 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000920s ]
0.089218s