
Ester - Lipid
Quiz
•
Others
•
1st Grade
•
Practice Problem
•
Easy
Kim Tuyền
Used 2+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ester đơn chức có công thức chung là
RCOOR’
RCOOH
(RCOO)2R
RCOR’
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số ester có cùng ctpt c3h6o2
2
5
4
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ester dc tạo bởi methanol và acetic acid có ctct là
HCOOCH3
Ch3COOC2H5
HCOOC2H5
Ch3COOCH3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ester dc dùng làm chất tạo hương trong công nghiệp mĩ phẩm , thực phẩm . Ester thường có mùi đặc trưng là
mùi hoa quả chín
mùi tinh dầu sả chanh
mùi tanh của cá
mùi cồn
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thuỷ phân ester nào sau đây trong dd naoh dư thu dc sodium formate
Ch3cooch3
Ch3cooc2h5
Hcooc2h5
Ch3cooc3h7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Xà phòng hoá hoàn toàn ester có cthuc hh Ch3cooc2h5 trog dd koh dư đun nóng thu dc sp gồm
Ch3cooh và c2h5oh
ch3cook và c2h5oh
c2h5cook và ch3oh
hcook và c3h7oh
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây ko phải là chất béo
(ch3coo)3c3h5
(c17h33coo)3c3h5
(c17h35coo)3c3h5
(c15h31coo)3c3h5
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