
HÓA CUỐI HK II L11
Quiz
•
Chemistry
•
11th Grade
•
Medium
Fuonq Phan
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46 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
gọi tên quốc tế của chất sau: C2H5-C(OH)(CH3)-CH2-CH(CH3)(C2H5)
4-etyl-2,4-ddimetylheeexxan-2-ol
3,5-đimeylheptan-3-ol
3,5-đietyl-3-metylheptan-5-ol
2,4-đietyl-4-metylhexan-2-ol
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Metanol có công thức là
CH3OH
CH3CHO
C2H5OH
CH3COOH
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
số đồng phân ancol ứng với CTPT C3H8O, C4H10O, C5H12O lần lượt bằng
2,4,8
0,3,7
2,3,6
1,2,3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
công thức dãy đồng đẳng của ancol no, đơn chức, mạch hở là
CnH2n+2O
ROH
CnH2n+1OH
CnH2nO
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
phản ứng nào sau đây xảy ra
C2H5OH + Fe
C6H5OH + NaOH
C6H5OH + HCl
C2H5OH + NaOH
Answer explanation
C6H5OH + NaOH --> C6H5ONa + H2O
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
theo quy tắc Zai-Xép, sản phẩm chính của phản ứng tách nước ra khỏi phân tử butan-2-ol
but-1-in
but-2-en
but-1,3-đien
but-1-en
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
phương pháp điều chế ancoletylic từ chất nào sau đây là phương pháp sinh hóa
anđehitaxetic
etylclorua
tinh bột
etilen
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