
Luyện tập aminoaxit
Authored by thuy tran
Chemistry
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho dung dịch chứa các chất sau: C6H5 – NH2 (X1); CH3NH2 (X2); H2N - CH2 - COOH (X3);
HOOC - CH2- CH2- CH(NH2)- COOH (X4); H2N - (CH2)4- CH(NH2)- COOH (X5)
Những dung dịch làm giấy quỳ tím hoá xanh là
X1 ; X2 ; X5
X2 ; X3 ; X4
X2 ; X5.
X3 ; X4 ; X5.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây không phải là amino axit ?
H2N-CH2-COOH
H2N-CH2-COOH
CH3-CH2-CO-NH2
HOOC-CH2-CH(NH2)-COOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của amino axit nào dưới đây là đúng?
H2N-CH2-COOH (glixerin)
CH3-CH(CH3)-CH(NH2)-COOH (valin)
CH3-CH(NH2)-COOH (anilin)
HOOC.(CH2)2-CH(NH2)-COOH (axit glutaric)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a- amino axit là amino axit mà nhóm amino gắn ở cacbon ở vị trí thứ mấy?
1
3
4
2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Axit a-aminopropionic tác dụng được với tất cả các chất trong dãy
HCl, NaOH, C2H5OH có mặt HCl, K2SO4, H2NCH2COOH
HCl, NaOH, CH3OH có mặt HCl, H2NCH2COOH, Cu
HCl, NaOH, CH3OH có mặt HCl, H2NCH2COOH
HCl, NaOH, CH3OH có mặt HCl, H2NCH2COOH, NaCl
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Một amino axit có một nhóm -NH2 và một nhóm -COOH và có công thức phân tử là C4H9O2N. Amino axit này có bao nhiêu công thức cấu tạo của các đồng phân?
3
4
5
6
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho các chất: (1)amoniac. (2)metylamin. (3)anilin. (4)dimetylamin. Tính bazơ tăng dần theo thứ tự nào sau đây?
(1) < (3) < (2) < (4).
(3) < (1) < (2) < (4)
(1) < (2) < (3) < (4)
(3) < (1) < (4) < (2)
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