当前位置:首页>学习笔记>【2026版化学苏教版必修第一册学习笔记培优讲义专题1第一单元第2课时物质的转化化学反应的分类

【2026版化学苏教版必修第一册学习笔记培优讲义专题1第一单元第2课时物质的转化化学反应的分类

  • 2026-03-24 17:59:26
【2026版化学苏教版必修第一册学习笔记培优讲义专题1第一单元第2课时物质的转化化学反应的分类

[核心素养发展目标]1.熟知物质之间转化的类型,并同时掌握物质之间转化的条件。2.掌握四种基本反应类型,能从化合价改变的角度判断氧化还原反应。3.依据化学反应的分类,更全面地了解化学反应的类型,培养变化观念和证据推理能力。

一、物质的转化

1.不同类别物质间的转化

(1)在初中阶段,我们已经学习了一些物质转化的知识。请以钙、碳两种元素的单质和化合物的转化关系为例,按要求填写下表。

物质的转化反应

实例(化学方程式,标注必要的反应条件)

单质化合物

_________________________________________、

_________________________________________

碱性氧化物

酸性氧化物

碱性氧化物

酸性氧化物

氧化物

(2)物质间的转化总结

2.物质间转化条件

(1)复分解反应的条件

通常有析出、放出或有等物质生成,如MgCl2溶液与NaOH溶液反应:_____________________________。 

(2)酸性氧化物与碱性氧化物可以发生化合反应,如。 

(3)置换反应发生的条件

金属活动性顺序表中,排在前面的金属可以置换出排在后面的金属(或H+)。如Fe置换Cu的化学方程式:;锌粒与稀硫酸反应的化学方程式:。 

(4)无机化合物与有机化合物在一定条件下可以相互转化

无机化合物转化为有机化合物

1828年,德国化学家通过蒸发氰酸铵(NH4CNO)水溶液得到了,打破了无机物与有机物之间不可转化的观念,揭开了人工合成有机化合物的序幕。 

有机化合物转化为无机化合物

例如:甲烷燃烧生成CO2和H2O;葡萄糖(C6H12O6)在动物体内经缓慢氧化转化为CO2和H2O等。

思考写出下列物质之间转化的化学方程式。

CuCuOCuSO4Cu(OH)2CuSO4Cu

_______________________________________________________________________________________

_______________________________________________________________________________________

_______________________________________________________________________________________

1.正误判断

(1)可用Fe2O3与H2O反应制取Fe(OH)3(  )

(2)只有利用酸碱中和反应才能生成盐(  )

(3)非金属单质与O2反应一定得到酸性氧化物(  )

(4)酸性氧化物都能与水化合生成酸(  )

(5)常见的酸性氧化物与碱性氧化物可以发生化合反应,生成盐类物质(  )

2.(2024·连云港高一上段考)下列各组变化中,只有加入酸才能一步实现的是(  )

A.ZnZnSO4B.CuOCuCl2

C.CaCO3CO2D.NaOHNa2SO4

3.氯化镁是一种盐,请按要求写出一个生成氯化镁的化学方程式。

(1)置换反应:

(2)碱与酸反应:

(3)盐与酸反应:

(4)盐与盐反应:

(5)碱性氧化物与酸反应:。 

二、化学反应的分类

1.四种基本反应类型

在初中阶段,我们根据反应物、生成物的类别和数量,将化学反应分为四种基本类型。填写下表并用实例加以说明。

反应通式

反应类型

定义

实例(化学方程式,写一例即可)

A+B===C

反应

物质生成另一种物质的反应 

C===A+B

反应

生成两种或两种以上其他物质的反应 

AB+C===A+CB

反应

一种单质和一种化合物反应,生成另一种单质和另一种的反应 

AB+CD===AD+CB

反应

互相交换成分,生成另外两种化合物的反应 

思考1讨论一氧化碳还原氧化铜的反应:CO+CuOCO2+Cu,它属于哪种基本反应类型?该反应说明什么问题?

_______________________________________________________________________________________

_______________________________________________________________________________________

通过网盘分享的文件:word讲义

链接: https://pan.baidu.com/s/1PNDK7_UY-I6aOdOvfo5O5Q?pwd=4321 提取码: 4321 

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  1. CONNECT:[ UseTime:0.000550s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000683s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000303s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000289s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000641s ]
  6. SELECT * FROM `set` [ RunTime:0.000222s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000618s ]
  8. SELECT * FROM `article` WHERE `id` = 474963 LIMIT 1 [ RunTime:0.000479s ]
  9. UPDATE `article` SET `lasttime` = 1774485614 WHERE `id` = 474963 [ RunTime:0.009556s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000303s ]
  11. SELECT * FROM `article` WHERE `id` < 474963 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000510s ]
  12. SELECT * FROM `article` WHERE `id` > 474963 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000423s ]
  13. SELECT * FROM `article` WHERE `id` < 474963 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001322s ]
  14. SELECT * FROM `article` WHERE `id` < 474963 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000836s ]
  15. SELECT * FROM `article` WHERE `id` < 474963 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000678s ]
0.090756s