Benzene reacts with chlorine in the presence of FeCl3 catalyst to form (a) Hexachlorobenzene (b) Chlorobenzene (c) Hexachlorocyclohexane (d) Benzyl chloride

Benzene reacts with chlorine in the presence of FeCl3 catalyst to form
(a) Hexachlorobenzene
(b) Chlorobenzene
(c) Hexachlorocyclohexane
(d) Benzyl chloride
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1 Answer

Answer :

Chlorobenzene
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Related questions

Iodobenzene can be prepared by (a) treating chlorobenzene with I2 using FeCl3 catalyst. (b) treating phenol with I2 in NaOH solution. (c) treating benzenediazonium chloride with KI (d) treating benzene with CH3I using AlCl3 catalyst

Description : Iodobenzene can be prepared by (a) treating chlorobenzene with I2 using FeCl3 catalyst. (b) treating phenol with I2 in NaOH solution. (c) treating benzenediazonium chloride with KI (d) treating benzene with CH3I using AlCl3 catalyst

Last Answer : treating benzenediazonium chloride with KI

Which of the following reagents is most suitable for preparing chlorobenzene from benzene? (a) Aqueous chlorine (b) Chlorine in the presence of ultraviolet light (c) Chlorine in acetic acid (d) Chlorine in the presence of FeCl3

Description : Which of the following reagents is most suitable for preparing chlorobenzene from benzene? (a) Aqueous chlorine (b) Chlorine in the presence of ultraviolet light (c) Chlorine in acetic acid (d) Chlorine in the presence of FeCl3

Last Answer : Chlorine in the presence of FeCl3

Chlorobenzene can be prepared by treatment of aniline with (a) Cuprous chloride (b) Chlorine in the presence of UV light (c) Nitrous acid followed by treatment with CuCl (d) Chlorine in the presence of FeCl3

Description : Chlorobenzene can be prepared by treatment of aniline with (a) Cuprous chloride (b) Chlorine in the presence of UV light (c) Nitrous acid followed by treatment with CuCl (d) Chlorine in the presence of FeCl3

Last Answer : Nitrous acid followed by treatment with CuCl

What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the chain reaction. (b) It functions by destabilizing the carbocationic intermediate and thereby increases the rate of H+ loss. (c) It serves as a Lewis base catalyst by reacting with Cl2 to generate chloride ions. (d) It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.

Description : What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the ... by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.

Last Answer : It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.

Benzene reacts with benzoyl chloride in the presence of anhydrous aluminium chloride to form (a) Benzyl chloride (b) Benzaldehyde (c) Benzal chloride(d) Benzophenone

Description : Benzene reacts with benzoyl chloride in the presence of anhydrous aluminium chloride to form (a) Benzyl chloride (b) Benzaldehyde (c) Benzal chloride (d) Benzophenone

Last Answer : Benzophenone

Which of the following statements are false about benzene? (a) It is a planar molecule with bond angles 120°(b) It is immiscible with water forming the lower layer. (c) It can be converted into cyclohexane by hydrogenation at 200°C in the presence of Ni catalyst. (d) It reacts with ethyl chloride in the presence of aluminium chloride to form ethylbenzene..

Description : Which of the following statements are false about benzene? (a) It is a planar molecule with bond angles 120°. (b) It is immiscible with water forming the lower layer. (c) It can be ... Ni catalyst. (d) It reacts with ethyl chloride in the presence of aluminium chloride to form ethylbenzene.

Last Answer : It is immiscible with water forming the lower layer

Benzenediazonium chloride reacts with warm water to give (a) Aniline (b) Phenol (c) Benzene (d) Chlorobenzene

Description : Benzenediazonium chloride reacts with warm water to give (a) Aniline (b) Phenol (c) Benzene (d) Chlorobenzene

Last Answer : Phenol

Which of the following can be made by the action of CH3Cl on benzene in the presence of aluminium chloride? (a) Ethylbenzene (b) o-Xylene (c) Chlorobenzene (d) m-Xylene

Description : Which of the following can be made by the action of CH3Cl on benzene in the presence of aluminium chloride? (a) Ethylbenzene (b) o-Xylene (c) Chlorobenzene (d) m-Xylene

Last Answer : o-Xylene

What is the major organic product of the reaction between benzene and isobutyl chloride in the presence of AlCl3? (a) tert-butylbenzene (b) isobutylbenzene (c) n-butylbenzene (d) chlorobenzene

Description : What is the major organic product of the reaction between benzene and isobutyl chloride in the presence of AlCl3? (a) tert-butylbenzene (b) isobutylbenzene (c) n-butylbenzene (d) chlorobenzene

Last Answer : tert-butylbenzene

Which of the following reagents can be used to distinguish between chlorobenzene and benzyl chloride? (a) alcoholic AgNO3 (b) Br2 in CCl4 (c) KCN (d) Br2 in H2O

Description : Which of the following reagents can be used to distinguish between chlorobenzene and benzyl chloride? (a) alcoholic AgNO3 (b) Br2 in CCl4 (c) KCN (d) Br2 in H2O

Last Answer : alcoholic AgNO3

Benzoyl chloride reacts with hydrogen in the presence of palladium and barium sulfate to give : (a) Benzyl alcohol (b) Benzaldehyde (c) Cinnamic acid (d) Benzophenone

Description : Benzoyl chloride reacts with hydrogen in the presence of palladium and barium sulfate to give : (a) Benzyl alcohol (b) Benzaldehyde (c) Cinnamic acid (d) Benzophenone

Last Answer : Benzaldehyde

Which of the following agents is used in order to make benzene react with concentrated nitric acid to give nitrobenzene? (a) Concentrated H2SO4 (b) FeCl3 catalyst (c) Lindlar's catalyst (d) Ultraviolet light

Description : Which of the following agents is used in order to make benzene react with concentrated nitric acid to give nitrobenzene? (a) Concentrated H2SO4 (b) FeCl3 catalyst (c) Lindlar's catalyst (d) Ultraviolet light

Last Answer : Concentrated H2SO4

Benzene reacts with propene in the presence of H2SO4 catalyst to give (a) n-Propylbenzene (b) Benzophenone (c) Cumene (d) Nothing happens

Description : Benzene reacts with propene in the presence of H2SO4 catalyst to give (a) n-Propylbenzene (b) Benzophenone (c) Cumene (d) Nothing happens

Last Answer : Cumene

Benzene reacts with H2 at 150°C at 30 atm in the presence of Ni catalyst to give (a) Cyclohexane (b) Cyclohexene (c) n-Hexane (d) No reaction occurs

Description : Benzene reacts with H2 at 150°C at 30 atm in the presence of Ni catalyst to give (a) Cyclohexane (b) Cyclohexene (c) n-Hexane (d) No reaction occurs

Last Answer : Cyclohexane

Benzenediazonium chloride reacts with phenol to form : (a) p-chlorophenol (b) Chlorobenzene (c) p-Hydroxyazobenzene (d) DDT

Description : Benzenediazonium chloride reacts with phenol to form : (a) p-chlorophenol (b) Chlorobenzene (c) p-Hydroxyazobenzene (d) DDT

Last Answer : p-Hydroxyazobenzene

Acetophenone reacts with Br2 in the presence of FeCl3 to form : (a) m-Bromoacetophenone (b) m-Dibromobenzene(c) o- + p-Bromoacetophenone(d) p-Dibromobenzene

Description : Acetophenone reacts with Br2 in the presence of FeCl3 to form : (a) m-Bromoacetophenone (b) m-Dibromobenzene (c) o- + p-Bromoacetophenone (d) p-Dibromobenzene

Last Answer : m-Bromoacetophenone

Pick out the wrong statement. (A) For the manufacture of styrene, the major raw materials are benzene and ethylene (B) One important copolymer of styrene is SBR, which is widely used in the manufacture of automobile tyres (C) Manufacture of phenol by chloroben-zene-eaustic process involves. The chlorination of benzene, causticisation and hydrolysis (D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

Description : Pick out the wrong statement. (A) For the manufacture of styrene, the major raw materials are benzene and ethylene (B) One important copolymer of styrene is SBR, which is widely ... D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

Last Answer : (D) Phenol manufacture by chlorobenzene-caustic process is competitive even when low cost chlorine is not available

. Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction. (A) Elementary (B) Parallel(C) Consecutive(D) None of these

Description : . Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction. (A) Elementary (B) Parallel (C) Consecutive (D) None of these

Last Answer : (C) Consecutive

Nitrobenzene reacts with Br2 in the presence of FeCl3 to give(a) o-chloronitrobenzene(b) o-bromonitrobenzene(c) m-chloronitrobenzene(d) m-bromonitrobenzene

Description : Nitrobenzene reacts with Br2 in the presence of FeCl3 to give (a) o-chloronitrobenzene (b) o-bromonitrobenzene (c) m-chloronitrobenzene (d) m-bromonitrobenzene

Last Answer : m-bromonitrobenzene

p-Nitrotoluene on treatment with chlorine in the presence of FeCl3 gives (a) m-Chlorotoluene (b) 2-Chloro-4-nitrotoluene (c) p-Chlorotoluene (d) 2-Nitro-4-chlorotoluene

Description : p-Nitrotoluene on treatment with chlorine in the presence of FeCl3 gives (a) m-Chlorotoluene (b) 2-Chloro-4-nitrotoluene (c) p-Chlorotoluene (d) 2-Nitro-4-chlorotoluene

Last Answer : 2-Chloro-4-nitrotoluene

DDT is prepared by the reaction of chlorobenzene with (in the presence of conc. H2SO4) (a) Chloral (b) Chlorine (c) Chloroform (d) Carbon tetrachloride

Description : DDT is prepared by the reaction of chlorobenzene with (in the presence of conc. H2SO4) (a) Chloral (b) Chlorine (c) Chloroform (d) Carbon tetrachloride

Last Answer : Chloral

Toluene reacts with bromine in the presence of uv light to give (a) m-Bromotoluene (b) Benzyl bromide (c) o-Bromotoluene (d) Benzoyl bromide

Description : Toluene reacts with bromine in the presence of uv light to give (a) m-Bromotoluene (b) Benzyl bromide (c) o-Bromotoluene (d) Benzoyl bromide

Last Answer : Benzyl bromide

Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral is obtained by the chlorination of ethyl alcohol (C) Insecticides acting on the insects through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Description : Pick out the wrong statement. (A) DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence of oleum, which is a highly exothermic reaction (B) Chloral ... through the respiratory system are called fumigants (D) Benzene hexachloride is not a contact insecticide

Last Answer : (D) Benzene hexachloride is not a contact insecticide

Benzenediazonium chloride reacts with hypophosphorus acid to form : (a) Phenol (b) Benzaldehyde (c) Aniline (d) Benzene

Description : Benzenediazonium chloride reacts with hypophosphorus acid to form : (a) Phenol (b) Benzaldehyde (c) Aniline (d) Benzene

Last Answer : Benzene

Which of the following agents is used in order to make benzene react with acetyl chloride to give acetophenone?(a) Ultraviolet light (b) AlCl3 catalyst (c) Platinum catalyst (d) Al2O3 catalyst

Description : Which of the following agents is used in order to make benzene react with acetyl chloride to give acetophenone? (a) Ultraviolet light (b) AlCl3 catalyst (c) Platinum catalyst (d) Al2O3 catalyst

Last Answer : AlCl3 catalyst

Benzene reacts with acetic anhydride in the presence of AlCl3 to form (a) Acetophenone (b) Benzophenone (c) Phenylacetic acid (d) Phenyl acetate

Description : Benzene reacts with acetic anhydride in the presence of AlCl3 to form (a) Acetophenone (b) Benzophenone (c) Phenylacetic acid (d) Phenyl acetate

Last Answer : Acetophenone

Which of the following compounds is most readily sulfonated? (a) Benzene (b) Chlorobenzene (c) Toluene (d) Nitrobenzene

Description : Which of the following compounds is most readily sulfonated? (a) Benzene (b) Chlorobenzene (c) Toluene (d) Nitrobenzene

Last Answer : Toluene

Benzene undergoes Friedel-Crafts reaction with isopropyl alcohol in the presence of H2SO4 catalyst to give (a) n-Propylbenzene (b) Benzophenone (c) Isopropylbenzene (d) Nothing happens

Description : Benzene undergoes Friedel-Crafts reaction with isopropyl alcohol in the presence of H2SO4 catalyst to give (a) n-Propylbenzene (b) Benzophenone (c) Isopropylbenzene (d) Nothing happens

Last Answer : Isopropylbenzene

Ethylene reacts with oxygen in the presence of silver catalyst at 300°C to form (a) Diethyl ether (b) Ethylene glycol (c) Ethyl alcoho(d) Ethylene oxidel

Description : Ethylene reacts with oxygen in the presence of silver catalyst at 300°C to form (a) Diethyl ether (b) Ethylene glycol (c) Ethyl alcohol (d) Ethylene oxide

Last Answer : Ethylene oxide

Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Description : Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Last Answer : Electrophilic substitution

Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Description : Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Last Answer : Electrophilic substitution

Phenylmagnesium bromide reacts with acetaldehyde to form an addition product which undergoes acid-hydrolysis to give (a) Diphenylcarbinol (b) Benzyl alcohol (c) Methylphenylcarbinol (d) Benzoic acid

Description : Phenylmagnesium bromide reacts with acetaldehyde to form an addition product which undergoes acid-hydrolysis to give (a) Diphenylcarbinol (b) Benzyl alcohol (c) Methylphenylcarbinol (d) Benzoic acid

Last Answer : Methylphenylcarbinol

Chlorine atom and chloride ions - (1) Have an equal number of protons (2) Have an equal number of electrons (3) Unequal number neutrons (4) reacts spontaneously with water

Description : Chlorine atom and chloride ions - (1) Have an equal number of protons (2) Have an equal number of electrons (3) Unequal number neutrons (4) reacts spontaneously with water

Last Answer : (1) Have an equal number of protons

Cyclobutane reacts with hydrogen in the presence of nickel catalyst at 200°C to give (a) Butane (b) 1-Butene (c) 2-Butene (d) None of these

Description : Cyclobutane reacts with hydrogen in the presence of nickel catalyst at 200°C to give (a) Butane (b) 1-Butene (c) 2-Butene (d) None of these

Last Answer : Butane

Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate

Description : Acetic acid reacts with methyl alcohol in the presence of an acid catalyst to give (a) Methyl formate (b) Ethyl formate (c) Methyl acetate (d) Ethyl acetate

Last Answer : Methyl acetate

Which of the following statements is false about benzylamine?(a) can be prepared by reduction of benzonitrile with LiAlH4. (b) cannot be prepared by reduction of benzamide with LiAlH4. (c) reacts with nitrous acid to give benzyl alcohol. (d) reacts with KMnO4 to give benzoic acid.

Description : Which of the following statements is false about benzylamine? (a) can be prepared by reduction of benzonitrile with LiAlH4. (b) cannot be prepared by reduction of benzamide with LiAlH4. (c) reacts with nitrous acid to give benzyl alcohol. (d) reacts with KMnO4 to give benzoic acid.

Last Answer : cannot be prepared by reduction of benzamide with LiAlH

Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with acidic KMnO4 solution. (c) on refluxing with concentrated H2SO4 gives a mixture of ortho and para toluenesulfonic acid. (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

Description : Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with ... (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

Last Answer : can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene

Toluene reacts with chlorine in the presence of AlCl3 to give (a) o-Chlorotoluene (b) o- plus p-Chlorotoluene (c) m-Chlorotoluene (d) o- plus m-Chlorotoluene

Description : Toluene reacts with chlorine in the presence of AlCl3 to give (a) o-Chlorotoluene (b) o- plus p-Chlorotoluene (c) m-Chlorotoluene (d) o- plus m-Chlorotoluene

Last Answer : o- plus p-Chlorotoluene

Which of the following reagents can be used to distinguish between chlorobenzene and allyl chloride? (a) H2/Ni(b) Br2 in CCl4(c) Zn/HCl(d) NH2NH2

Description : Which of the following reagents can be used to distinguish between chlorobenzene and allyl chloride? (a) H2/Ni (b) Br2 in CCl4 (c) Zn/HCl (d) NH2NH2

Last Answer : Br2 in CCl4

Which of the following compounds will give a white precipitate with alcoholic AgNO3? (a) Vinylbenzene (b) Chlorobenzene (c) Vinyl chloride (d) Allyl chloride

Description : Which of the following compounds will give a white precipitate with alcoholic AgNO3? (a) Vinylbenzene (b) Chlorobenzene (c) Vinyl chloride (d) Allyl chloride

Last Answer : Allyl chloride

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Description : (a) Define a balanced chemical equation. Why should an equation be balanced? (b) Write the balanced chemical equation for the following reaction: (i) Phosphorus burns in presence of chlorine to form phosphorus penta chloride. (ii) Burning of natural gas. (iii) The process of respiration. -Chemistry

Last Answer : Answer. (a) Balanced chemical equation has an equal number of atoms of different elements in the reactants and products. According to law of conservation of mass, matter can neither be created nor be destroyed in a chemical ... C6H12O6 (s) + 6O2 (g) + 6H2O ---> 6CO2 (aq) + 12H2O (l) + energy

A chlorine atom reacts with a sodium atom to form sodium chloride, NaCl. A chlorine atom can also react with another chlorine atom to form a chlorine molecule, Cl2. Which statement BEST explains the behavior of chlorine in these two reactions?

Description : A chlorine atom reacts with a sodium atom to form sodium chloride, NaCl. A chlorine atom can also react with another chlorine atom to form a chlorine molecule, Cl2. Which statement BEST explains the behavior of chlorine in these two reactions?

Last Answer : A chlorine atom can form ionic bonds by accepting an electron and covalent bonds by sharing electrons.

The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is (A) Dilute H2SO4 (B) Oleum (C) Ultraviolet light (D) None of these

Description : The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is (A) Dilute H2SO4 (B) Oleum (C) Ultraviolet light (D) None of these

Last Answer : (B) Oleum

Which of the following does not give benzoic acid on hydrolysis? (1) phenyl cyanide (2) benzoyl chloride (3) benzyl chloride (4) methyl benzoate

Description : Which of the following does not give benzoic acid on hydrolysis? (1) phenyl cyanide (2) benzoyl chloride (3) benzyl chloride (4) methyl benzoate

Last Answer : (3) benzyl chloride Explanation: Hydrolysis is any chemical reaction in which a molecule of water ruptures one or more chemical bonds.

Hydrolysis of benzal chloride gives (a) Phenol (b) Benzaldehyde (c) Benzyl alcohol(d) Benzoyl chloride

Description : Hydrolysis of benzal chloride gives (a) Phenol (b) Benzaldehyde (c) Benzyl alcohol (d) Benzoyl chloride

Last Answer : (d) Benzoyl chloride

Which of the following compounds will give an iodoform test? (a) Benzoic acid (b) Ethanol (c) Benzyl chloride (d) Methanol

Description : Which of the following compounds will give an iodoform test? (a) Benzoic acid (b) Ethanol (c) Benzyl chloride (d) Methanol

Last Answer : Ethanol

What is the reaction when solid manganese dioxide reacts with hydrochloric acid to produce manganese chloride liquid water and chlorine gas?

Description : What is the reaction when solid manganese dioxide reacts with hydrochloric acid to produce manganese chloride liquid water and chlorine gas?

Last Answer : The chemical reaction is:MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O

What mass of sodium chloride is produced if 92.0 g of sodium reacts with excess chlorine?

Description : What mass of sodium chloride is produced if 92.0 g of sodium reacts with excess chlorine?

Last Answer : Sodium has an atomic weight of 22.99 g/mol. Chlorine has an atomic weight of 35.45 g/mol. NaCl has an atomic weight of 58.44 g/mol. Therefore 92g of sodium would yield 233.86g of sodium chloride (NaCl).

Gammexane is (a) Hexachloroethane (b) DDT (c) Hexachlorocyclohexane (d) TNT

Description : Gammexane is (a) Hexachloroethane (b) DDT (c) Hexachlorocyclohexane (d) TNT

Last Answer : Hexachlorocyclohexane

Which of the following can undergo nucleophilic substitution under ordinary conditions? I Allyl chloride II Benzyl chloride III n-Propyl chloride IV V

Description : Which of the following can undergo nucleophilic substitution under ordinary conditions? I Allyl chloride II Benzyl chloride III n-Propyl chloride IV V

Last Answer : Which of the following can undergo nucleophilic substitution under ordinary conditions? I Allyl chloride II ... are correct D. I and III are correct