
Hóa lớp 12
Authored by Uyên Đinh
Chemistry
11th Grade
Used 3+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anđehit thể hiện tính khử khi tác dụng với:
H2 (xt, t0)
Dd NaOH
Dd HCl
Dd AgNO3/NH3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Anđehit thể hiện tính oxi hóa khi tác dụng với:
H2 (xt, t°)
KMnO4
O2 (xt, t°)
Dd AgNO3/NH3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số đồng phân ancol ứng với công thức phân tử C4H10O là:
3
2
5
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi đun nóng hỗn hợp gồm CH3OH và C2H5OH (xúc tác H2SO4 đặc, ở 140oC) thì số ete thu được tối đa là:
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ancol etylic 400 có nghĩa là
Trong 100 gam dung dịch rượu có 40 gam rượu C2H5OH nguyên chất.
Trong 100ml dung dịch rượu có 60 gam nước
Trong 100ml dung dịch rượu có 40ml C2H5OH nguyên chất
Trong 100 gam rượu có 40ml nước
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ảnh hưởng của nhóm -OH đến gốc C6H5- trong phân tử phenol thể hiện qua phản ứng giữa phenol với chất nào?
Dd NaOH
Na kim loại
Nước Br2
H2 (Ni, t°)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phenol tan nhiều trong lượng dư dung dịch nào sau đây?
Dd Na2SO4
Dd HCl
Dd Br2
Dd NaOH
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