Hãy chỉ rõ chất nào là amin?
(1) (C2H5)2NH; (2) CH3-COONH3CH2; (3) C2H5-NH2;
(4) NH2-CH2-CH2-NH2; (5) CH3-COO-NH4; (6) (CH3)2NC6H5;
(7) C6H5-NH2; (8) CH3-CH2-NO2.
A. (2), (4), (6), (7).
B. (2), (3), (6), (8).
C. (1), (3), (4), (6), (7).
D. (1), (3), (5), (8).
(1) (C2H5)2NH; (2) CH3-COONH3CH2; (3) C2H5-NH2;
(4) NH2-CH2-CH2-NH2; (5) CH3-COO-NH4; (6) (CH3)2NC6H5;
(7) C6H5-NH2; (8) CH3-CH2-NO2.
A. (2), (4), (6), (7).
B. (2), (3), (6), (8).
C. (1), (3), (4), (6), (7).
D. (1), (3), (5), (8).
Loga
Hóa Học lớp 12
