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WorksheetsÔn Tập Giữa Kì 2 Hóa 11
Total questions: 95
Worksheet time: 3hrs 8mins
Alkane X has 14 hydrogen atoms in its molecule. How many carbon atoms are in molecule X?
4
5
6
7
The compound X is called: 4-ethyl-3,3-dimethylhexane. The structural formula of X is
CH3-CH2-C(CH3)2-CH(C2H5)-CH2-CH3
CH3-CH2-C(CH3)2-CH(C2H5)-CH3
CH3-C(CH3)2-CH2-CH(C2H5)-CH2-CH3
CH3-CH(CH3)2-CH2-CH2-CH3
tên gọi của chất nào sau đây đúng
(but-2-ene)
(3-methylbut-1-yne)
(2,2,4-trimethylpentane)
(1-ethyl-2-methylbenzene)
Given the following substances: (1) 2-methylbutane; (2) 2-methylpentane; (3) 3-methylpentane; (4) 2,2-dimethylbutane and (5) benzene. How many of these substances can be products of reforming hexane?
5
2
3
4
Alkane (A) has the molecular formula C8H18. (A) reacts with chlorine when heated to produce only one monochloro derivative. What is the name of (A)?
octane
2-methylheptane
2,2-dimethylhexane
2,2,3,3-tetramethylbutane
Phát biểu nào sau đây về alkane là không đúng?
A. Trong phân tử alkane chỉ có liên kết đơn.
B. Chỉ các alkane là chất khí ở điều kiện thường được dùng làm nhiên liệu.
C. Các alkane lỏng được dùng sản xuất xăng, dầu và làm dung môi.
D. Các alkane rắn được dùng làm nhựa đường, nguyên liệu cho quá trình cracking.
Given the alkenes: CH2=CH-CH3; (CH3)2C=C(CH3)2; CH3CH=CHCH3 and CH3CH=CHC2H5. How many alkenes have geometric isomers?
2
4
1
3
Three hydrocarbons X, Y, Z are consecutive homologues, and the molecular weight of Z is twice that of X. What series do the substances X, Y, Z belong to?
alkane
arene
alkene
alkyne
Which of the following hydrocarbons reacts with bromine water to produce 1,2-dibromobutane?
But-1-ene
Butane
Buta-1,3-diene
But-1-yne
Using AgNO3 solution in NH3, which pair of substances cannot be distinguished?
But-1-yne and but-2-yne
Acetylene and ethylene
Propyne and but-1-yne
But-2-ene and propyne
Which pair of substances cannot be distinguished using AgNO3 solution in NH3?
But-1-yne and but-2-yne.
Acetylene and ethylene.
Propyne and but-1-yne.
But-2-ene and propyne.
Which of the following reactions produces a product that does not follow Markovnikov's rule?
CH3CH=CH2 + HCl → CH3CHClCH3.
(CH3)2C=CH2 + HBr → (CH3)2CHCH2Br.
CH3CH2CH=CH2 + H2O → CH3CH2CH(OH)CH3.
(CH3)2C=CH-CH3 + HI → (CH3)2CICH2CH3.
What organic product can be obtained when pent-2-ene reacts with KMnO4 solution at room temperature?
CH3CH2CH(OH)CH(OH)CH3.
CH3CH2CH2CH(OH)CH3.
CH3CH(OH)CH2CH(OH)CH3.
CH3CH2CH(OH)CH2CH3.
Which of the following statements is incorrect?
Alkane does not participate in addition reactions.
The characteristic reaction of alkenes and alkynes is addition reaction.
Benzene and its derivatives participate in substitution reactions more easily than addition reactions.
Styrene participates in substitution reactions more easily than addition reactions.
Which molecular formula could belong to a compound in the benzene homologous series?
C8H16.
C8H14.
C8H12.
C8H10.
Name the arene according to the substitution nomenclature.
1-methyl-2-ethylbenzene.
1-ethyl-2-methylbenzene.
2-methyl-1-ethylbenzene.
1-ethyl-6-methylbenzene.
What is the main product in the mixture obtained when toluene reacts with bromine in a 1:1 molar ratio (in the presence of Fe powder)?
p-bromotoluene and m-bromotoluene.
m-bromtoluene.
o-bromotoluene and p-bromotoluene.
o-bromotoluene and m-bromtoluene.
What product is formed when toluene reacts with chlorine under light?
p-chlorotoluene.
m-chlorotoluene.
benzyl chloride.
2,4-dichlorotoluene.
Which of the following substances can decolorize bromine water in CCl4 under normal conditions?
Benzene.
Toluene.
Styrene.
Naphthalene.
True or False: Alkane X has the following structural formula: CH3-CH(CH3)-CH(CH3)-CH3
There are 2 secondary carbon atoms in the structural formula of X.
The name of X is 2,3-dimethylbutane.
When X reacts with chlorine (1:1 molar ratio) under light.
In the structural formula of X, there are 2 secondary carbon atoms.
The name of X is 2,3-dimethylbutane.
When X reacts with chlorine (1:1 mol ratio) under light, the main product is called 3-chloro-2,3-dimethylbutane.
When X reacts with bromine under light, it forms 3 monobromo substitution products.
The Markovnikov rule applies when performing the addition of an asymmetric reagent HX (HBr, HCl, HI, H2O,…) to a double bond, the hydrogen atom will preferentially add to the carbon atom with more hydrogens.
Propyne adds H2O (catalyst Hg2+/H2SO4) to form the main product according to the following reaction:
When HBr is added to but-1-ene and but-2-ene, both yield the main product called 2-bromobutane.
Propyne reacts with HBr (1:1 mol ratio) according to the following reaction:
2,3-dimethylbut-2-ene reacts with H2O (catalyst H2SO4) to yield 2 organic products.
Given 3 open-chain hydrocarbons X, Y, Z (MX < MY < MZ < 62) with the same number of carbon atoms in the molecule, all react with AgNO3 solution in excess NH3.
1 mol of X reacts maximally with 4 mol of H2 (Ni, heat).
Substance Z has geometric isomers.
Substance Y is called but-1-yne.
All three substances X, Y, and Z have unbranched carbon chains.
In two test tubes, each containing 1 mL of 0.05M KMnO4 solution and 1 mL of 2M H2SO4 solution. Add 1 mL of benzene to tube (1) and 1 mL of toluene to tube (2). Shake well and cover both test tubes with a stopper with a straight glass tube. Heat both test tubes in a water bath.
Test tube (2) turns light purple and loses color, while test tube (1) retains its purple color.
The organic product formed in test tube (2) is benzoic acid (C6H5COOH).
Benzene is only oxidized by KMnO4 solution at high temperatures.
The experiment demonstrates that toluene is more easily oxidized than benzene when heated.
The compound X has a simplified structural formula represented in the image below:
What is the total number of carbon and hydrogen atoms in compound X?
A gas cylinder (liquefied gas) contains a mixture of propane and butane.
What is the total number of C and H atoms in compound X?
Determine the heat released when completely burning 12 kg of gas under standard conditions.
How many days will the household use up the 12 kg gas cylinder?
How many unsaturated hydrocarbons are in the given series?
How many structural isomers of hydrocarbon X are there?
How many structural isomers of alkylbenzene X are there?
How many kg of TNT can be produced from 1 ton of toluene?
Which of the following is not a hydrocarbon?
A. CH3CH3
B. CH2=CH2
C. CH≡CH
D. CH3CH2OH
Which of the following is the correct name for the alkane?
A. 2-ethylbutane
B. 2,2-dimethylbutane
C. 3-methylbutane
D. 2,3,3-trimethylbutane
Which hydrocarbon reacts with chlorine in a 1:1 mol ratio to produce three monochloro derivatives?
A. neopentane
B. pentane
C. butane
D. isopentane
Which statement is incorrect under normal conditions?
A. Alkanes from C1 to C4 and neopentane are gaseous.
B. Alkanes from C5 to C17 (except neopentane) are liquid.
C. Alkanes are insoluble or very slightly soluble in water and lighter than water.
Which of the following compounds is an alkyne?
CH3CH2CH2CH3
CH3CH=CH2
CH3CH2C≡CH
CH2=CH-CH=CH2
Compound X has the formula: CH3-CH(CH3)-CH=CH2. The IUPAC name of X is
2-methylbut-3-ene
3-methylbut-1-yne
3-methylbut-1-ene
2-methylbut-3-yne
Given the compounds with their melting and boiling points (°C): (X) but-1-ene (-185 and -6.3); (Y) trans-but-2-ene (-106 and 0.9); (Z) cis-but-2-ene (-139 and 3.7); (T) pent-1-ene (-165 and 30). Which compound is a liquid at standard conditions?
(X)
(Y)
Z
(T)
The product formed when 2-methylpent-2-ene reacts with Br2 is called
2,3-dibromo-2-methylpent-2-ene
3,4-dibromo-4-methylpentane
2,3-dibromo-2-methylpentane
4-bromo-2-methylpent-2-ene
For the hydrocarbons: (1) CH2=C(CH3)CH2CH3; (2) (CH3)2C=CHCH3; (3) CH2=C(CH3)CH=CH2; (4) (CH3)2CHC≡CH. Which hydrocarbons react with HBr to produce 2-bromo-2-methylbutane as the main product?
(1) and (2)
(2) and (4)
(1) and (3)
(3) and (4)
Hydration of 2-methylbut-2-ene (under appropriate temperature and catalyst conditions) yields the main product as
2-methylbutan-2-ol
3-methylbutan-2-ol
3-methylbutan-1-ol
2-methylbutan-3-ol
Among the alkynes with the molecular formula C5H8, how many compounds can react with AgNO3 in NH3?
1
2
3
4
Which of the following molecular formulas cannot be that of an arene?
C7H8
C10H8
C11H18
C8H8
For the hydrocarbons X and Y with the following structural formulas: What are the names of X and Y respectively?
p-xylene and o-xylene
1,2-dimethylbenzene and 1,3-dimethylbenzene
m-xylene and o-xylene
1,3-dimethylbenzene and 1,2-dimethylbenzene
Which substances are the main products when toluene reacts with chlorine under heating conditions and in the presence of FeCl3?
(1) and (2).
(2) and (3).
(1) and (4).
(2) and (4).
Which substance reacts with a mixture of HNO3 and H2SO4 at high temperature to create a unique mononitration product?
Benzene.
Toluene.
o-xylene.
Naphthalene.
To distinguish between styrene and phenylacetylene, which substance should be used?
Bromine water.
KMnO4 solution.
AgNO3/NH3 solution.
Excess oxygen gas.
To improve the quality of gasoline, which method is applied?
Perform reforming reactions to change the structure of straight-chain alkanes into branched or cyclic hydrocarbons with a high octane number.
Perform cracking reactions to change the structure of long-chain alkanes into shorter alkenes and alkanes.
Perform hydrogenation reactions to convert alkenes into alkanes.
Add heptane to gasoline.
The following statements are given: (1) Propane and butane are used as gas; (2) Ethene and propene are used to synthesize polymers; (3) Acetylene is used as fuel for oxygen-acetylene lamps; (4) Styrene is used to synthesize polymers; (5) Toluene is used to synthesize explosives. How many statements are correct?
5.
2.
3.
4.
When alkane X (with a carbon mass percentage of 83.72%) reacts with chlorine in a 1:1 mol ratio (under light conditions), only 2 monochloro isomers are obtained. What is the molecular formula of X?
The following statements about 3 hydrocarbons are given: a. Z reacts with AgNO3 solution in NH3 to form a yellow precipitate. b. The carbon mass percentage in X is the smallest. c. Y reacts with HCl to create.
Is the following statement about 3 hydrocarbons true or false? a. Z reacts with AgNO3 solution in NH3 to form a yellow precipitate. b. The percentage of carbon by mass in X is the smallest. c. Y reacts with HCl to produce the main product CH3-CH2-CH2-Cl. d. Z reacts with excess H2 in the presence of Lindlar catalyst to produce X.
In the molecule of alkyne X, the hydrogen element accounts for 11.111% by mass. a. The molecular formula of alkyne X is C4H6. b. Alkyne X has 3 structural isomers. c. There are 2 structural isomers of X that can react with silver nitrate solution in ammonia. d. 1 mol of alkyne X can react with a maximum of 2 mol of H2 with Ni catalyst when heated.
TNT (2,4,6-trinitrotoluene) is a chemical explosive commonly used in the military. TNT is prepared by the reaction between toluene and a mixture of concentrated nitric acid and concentrated sulfuric acid. a. The formula of TNT can be written as CH3C6H2(NO2)3. b. TNT is an aromatic hydrocarbon. c. The reaction to prepare TNT is a type of nitration reaction. d. From 1 ton of toluene, 1,530 kg of TNT can be produced with a reaction yield of 62%.
What is the percentage by mass of hydrogen in the alkane molecule X? (Round the result to one decimal place).
Liquified Petroleum Gas (LPG) is a mixture of gases mainly consisting of propane and butane that has been liquefied. A type of domestic gas containing liquefied gas has a molar ratio of propane: butane of 40:60. How much heat is released when burning 1 liter of this gas at (25 °C, 1 bar)? Given that burning 1 mol of each propane and butane releases heat of 2,220 kJ and 2,875 kJ respectively. (Round the result to the nearest unit).
In the propene molecule, how many sigma (σ) bonds are there?
List the alkenes: cis-2-methylbut-2-ene (1); trans-2-methylbut-2-ene (2); pent-1-ene (3); 2-methylbut-1-ene (4) in ascending order that satisfy the condition when reacting with H2, using Ni catalyst, all produce 2-methylbutane?
List the alkenes in ascending order that satisfy the condition when reacting with H2, catalyst Ni/to, forming 2-methylbutane?
List the correct statements about styrene in ascending order.
Styrene is also known as vinylbenzene.
Styrene is an isomer of benzene.
Styrene decolorizes bromine water and KMnO4 solution.
Styrene can participate in polymerization reactions.
If the efficiency of the synthesis process is 80%, how many kg of toluene are needed to produce 5 kg of benzoic acid? (Round the result to one decimal place).
Can ethanol increase the octane rating of gasoline?
What is RON 92? RON 95? Which gasoline has a higher octane rating?
Calculate the octane rating of E5 gasoline and E10 gasoline.
What should we do to ensure safety when detecting a gas leak in the house?
Explain why: a) gasoline and oil must be stored in specialized containers and kept in separate warehouses. b) oil spills at sea often cause disasters for a very wide area. c) when gasoline and oil catch fire, water should not be used to extinguish the fire.
Name the following alkenes according to the substitution nomenclature: a) CH2=CH-CH2-CH3, CH2=C(CH3)-CH2-CH3, CH3-C(CH3)=C(CH3)-CH2-CH3. b) CH3-CH=CH-CH(CH3)-CH2-C.
Gọi tên các alkene sau theo danh pháp thay thế a) CH2=CH-CH2-CH3, CH2=C(CH3)-CH2-CH3, CH3-C(CH3)=C(CH3)-CH2-CH3. b) CH3-CH=CH-CH(CH3)-CH2-CH3, CH2=CH-CH3, CH2=CH2.
Gọi tên các alkyne sau theo danh pháp thay thế a) CH≡CH-CH2-CH3, CH≡C-CH(CH3)-CH3. b) CH3-C≡C-CH(CH3)-CH2-CH3, CH≡CH-CH3, CH≡CH.
Viết công thức khung phân tử của: a) propene. b) 2-methylbut-1-ene. c) but-1-yne. d) cis-but-2-ene.
Viết CTCT các alkyne có tên gọi sau: a) Hex-2-yne, 3,4-dimethylpent-1-yne. b) Pent-2-yne; 3-methylpent-1-yne; 2,5-dimethylhex-3-yne.
Dự đoán sản phẩm chính cho mỗi phản ứng sau đây và gọi tên các sản phẩm đó. a) Prop-1-ene + KMnO4 + H2O b) Prop-1-ene + H2 c) Prop-1-ene + Br2 d) Prop-1-ene + HBr e) Prop-1-ene
Dự đoán sản phẩm chính cho mỗi phản ứng sau đây và gọi tên các sản phẩm đó. a) Prop-1-yne + 2H2 b) Prop-1-yne + H2 c) Prop-1-yne + H2O d) Prop-1-yne + 2HCl e) Prop-1-yne + AgNO3/NH3
Viết các phương trình phản ứng minh họa các quá trình điều chế: a) Polystyrene từ hexane. b) 2,4,6-trinitrotoluene từ heptane.
2,4,6-trinitrotoluene dùng để sản xuất thuốc nổ TNT. a) Viết phương trình hoá học của phản ứng điều chế 2,4,6-trinitrotoluene từ toluene và nitric acid (xúc tác sulfuric acid). b) Từ 1 tấn toluene điều chế được bao nhiêu kg 2,4,6-trinitrotoluene, biết hiệu suất của phản ứng là 62%.
PVC (poly(vinyl chloride)) là một trong những polymer được ứng dụng nhiều trong đời sống và sản xuất: CH4 A B PVC a. Viết các PTHH b. Để tổng hợp được 1,25 tấn PVC thì cần bao nhiêu m3 khí thiên nhiên (trong đó methane chiếm 92% thể tích) đo ở đkc. Biết hiệu suất của cả quá trình điều chế là 80%.
Để thu được 100,1 kg poly(vinyl chloride) cần trùng hợp bao nhiêu m3 vinyl chloride? Cho biết hiệu suất phản ứng là 90%, thể tích khí tính ở điều kiện chuẩn.
