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ajbrock1004
07.09.2021 •
Chemistry
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Ответ:
TẬP CÁC PHƯƠNG TRÌNH – CÔNG THỨC LỚP 11 PHẢI NHỚ
I. Tên và công thức phải nhớ, tên gốc axit và tên gốc H-C:
1. axit fomic: HCOOH 4. CH3OH: ancol metylic
Gốc axit HCOO- fomat gốc H-C: CH3- : metyl
( làm tiếp 2,3, 5, 6 theo mẫu 1 và 4!)
2. axit axetic:…ch3chooh 5. C2H5OH: ancol êtylic…
3. axit propionic: … hcooh 6. C3H7OH: ...ancol propiolic
II. Hoàn thành phương trình
Axit + ancol ↔ este + H2O
1. axit fomic + ancol etylic ↔ este + H2O
HCOOH + CH3OH ↔ HCOOCH3 + H2O
Như vậy este có dạng là RCOOR’ trong đó R là gốc của axit, R’ là gốc H-C của ancol
Gọi tên este thì gọi gốc ancol của R’ trước + gốc axit + đuôi “at”
Ví dụ: Gọi tên este: HCOOCH3 metyl fomat
( Hoàn toàn tương tự các em hoàn thành, gọi tên este phản ứng 2, 3 nộp bài)
2. axit axetic + ancol metylic
Ch3cooh + ch3oh === ch3cooch3+ h20
metyl axetat
3. axit propionic + ancol etylic
C2h5cooh + c2h5oh c2h5cooc2h5 h2o
Etyl propionate
\
Explanation:
Ответ: