Aromatic hydrocarbons are also called : (a) Arenes (b) Huckel's compounds (c) Trienes (d) Alkoxy compounds

Aromatic hydrocarbons are also called :
(a) Arenes
(b) Huckel's compounds
(c) Trienes
(d) Alkoxy compounds
by

1 Answer

Answer :

Arenes
by

Related questions

What are aromatic hydrocarbons or arenes?

Description : What are aromatic hydrocarbons or arenes?

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A family of organic compounds whose molecules will add water under an acid catalysis and change into alcohols are the: w) alkenes x) alkanes y) aromatic hydrocarbons z) cycloalkanes

Description : A family of organic compounds whose molecules will add water under an acid catalysis and change into alcohols are the: w) alkenes x) alkanes y) aromatic hydrocarbons z) cycloalkanes

Last Answer : ANSWER: W -- ALKENES

Wax used for making candle is chemically a mixture of – (1) aliphatic hydrocarbons (2) aromatic hydrocarbons (3) cyclic hydrocarbons (4) aliphatic and aromatic hydrocarbons

Description : Wax used for making candle is chemically a mixture of – (1) aliphatic hydrocarbons (2) aromatic hydrocarbons (3) cyclic hydrocarbons (4) aliphatic and aromatic hydrocarbons

Last Answer : (1) aliphatic hydrocarbons Explanation: An aliphatic compound is a hydrocarbon compound containing carbon and hydrogen joined together in straight chains, branched trains or non-aromatic rings ... naturally occurring. Waxes are organic compounds that characteristically consist of long alkyl chains.

Characteristic reactions of aromatic hydrocarbons are initiated by (a) Electrophiles (b) Nucleophiles (c) Free radicals (d) Uncharged molecules

Description : Characteristic reactions of aromatic hydrocarbons are initiated by (a) Electrophiles (b) Nucleophiles (c) Free radicals (d) Uncharged molecules

Last Answer : Electrophiles

Which of the following methods can be used to increase the octane rating of gasoline? (a) Adding branched-chain alkanes (b) Adding tetraethyllead (c) Adding aromatic hydrocarbons (d) All of these

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How many isomeric aromatic hydrocarbons are possible for C8H10? (a) 3 (b) 4 (c) 5 (d) 6

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Last Answer :  aliphatic hydrocarbons

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Description : What are characteristic of aromatic hydrocarbons?

Last Answer : Principal characteristics of aromatic hydrocarbons are:- the contain benzenic rings- frequently they have an agreeable odor- they burn with soot; this is a disadvantage- the ratio carbon/hydrogen is great

Aromatic hydrocarbons are mainly obtained from

Description : Aromatic hydrocarbons are mainly obtained from

Last Answer : coal.

Write the structure of the first member of the aromatic hydrocarbons. OR Explain the structure of benzene.

Description : Write the structure of the first member of the aromatic hydrocarbons. OR Explain the structure of benzene.

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Which of the following pollutants is not emitted from the transport sector? (A) Oxides of nitrogen (B) Chlorofluorocarbons (C) Carbon monoxide (D) Poly aromatic hydrocarbons

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Last Answer : Answer: A

Tobacco smoke is injurious to health because it contains : (1) Carbon monoxide (2) Nicotine (3) Polycyclic aromatic hydrocarbons (4) Melathene

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What are anti-aromatic compounds ?

Description : What are anti-aromatic compounds ?

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What is the difference between aliphatic compounds and aromatic compounds ?

Description : What is the difference between aliphatic compounds and aromatic compounds ?

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Aromatic Compounds Who Say ?

Last Answer : a few Special Featured To the compound Aromatic Compounds Says. Such as : benzene , phenol , naphthalene Compounds.

Define Aromatic Compounds.

Description : Define Aromatic Compounds.

Last Answer : Ans: The Compounds which gives pleasant smell.

Which of the following heterocyclic compounds is not aromatic? (a) Pyridine (b) Pyrrole (c) Furan (d) Piperidine

Description : Which of the following heterocyclic compounds is not aromatic? (a) Pyridine (b) Pyrrole (c) Furan (d) Piperidine

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Coal-tar is the main source of : (a) Aromatic compounds (b) Aliphatic compounds (c) Heterocyclic compounds (d) None of these

Description : Coal-tar is the main source of : (a) Aromatic compounds (b) Aliphatic compounds (c) Heterocyclic compounds (d) None of these

Last Answer : Aromatic compounds

Which of the following organic compounds is known as a saturated chain hydrocarbon ? w) an aromatic compound x) an alkene y) an alkyne z) an alkane

Description : Which of the following organic compounds is known as a saturated chain hydrocarbon ? w) an aromatic compound x) an alkene y) an alkyne z) an alkane

Last Answer : ANSWER: Z -- AN ALKANE

Which of the following chemical compounds is an important aromatic hydrocarbon. Is it: w) methane x) ethane y) benzene z) propyne

Description : Which of the following chemical compounds is an important aromatic hydrocarbon. Is it: w) methane x) ethane y) benzene z) propyne

Last Answer : ANSWER: Y -- BENZENE

Aromatic compounds are generally derived from what substance?

Description : Aromatic compounds are generally derived from what substance?

Last Answer : ANSWER: BENZENE

Among P, Q, R and S, the aromatic compounds(s) is/are

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Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason: These compounds lead to reduced visibility

Description : Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason: These compounds lead to reduced visibility

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Can aromatic compounds belong to other classes of compounds?

Description : Can aromatic compounds belong to other classes of compounds?

Last Answer : Need answer

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What is Aromatic Hydrocarbon ?

Description : What is Aromatic Hydrocarbon ?

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‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

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What are the necessary conditions for any system to be aromatic?

Description : What are the necessary conditions for any system to be aromatic?

Last Answer : Ans. A compound is said to be aromatic if it satisfies the following three conditions: (i) It should have a planar structure. (ii) The π-electrons of the compound are completely delocalized in the ring. (iii)The total number ... to (4n + 2), where n = 0, 1, 2 etc. This is known as Huckel s rule.

Which antibiotic contains NO2 group attached to aromatic nucleus in its structure ?

Description : Which antibiotic contains NO2 group attached to aromatic nucleus in its structure ?

Last Answer : Ans. Chloramphenicol. 

Aromatic primary amines are not prepared by gabrial phthalimide synthesis. Why?

Description : Aromatic primary amines are not prepared by gabrial phthalimide synthesis. Why?

Last Answer : Ans:- Because aryl halides donot undergo nucleophilic substitution reaction. 

Which of the following statements is NOT correct : (a) Tollens' test is given by both aliphatic and aromatic aldehydes. (b) Fehling's test is given by aliphatic aldehydes. It is not given by aromatic aldehydes. (c) Iodoform test is given by methyl ketones and acetaldehydes. (d) Lucas test is given by both aliphatic and aromatic aldehydes

Description : Which of the following statements is NOT correct : (a) Tollens' test is given by both aliphatic and aromatic aldehydes. (b) Fehling's test is given by aliphatic aldehydes. It is not given ... given by methyl ketones and acetaldehydes. (d) Lucas test is given by both aliphatic and aromatic aldehydes

Last Answer : Lucas test is given by both aliphatic and aromatic aldehydes

Preparation of a diazonium salt from a primary aromatic amine is known as : (a) Coupling reaction (b) Sandmeyer reaction (c) Diazotization (d) Corey-House synthesis

Description : Preparation of a diazonium salt from a primary aromatic amine is known as : (a) Coupling reaction (b) Sandmeyer reaction (c) Diazotization (d) Corey-House synthesis

Last Answer : Diazotization

The diazonium salts are the reaction products of the reaction of nitrous acid with (a) primary aliphatic amines (b) primary aromatic amines (c) secondary aliphatic amines (d) secondary aromatic amines

Description : The diazonium salts are the reaction products of the reaction of nitrous acid with (a) primary aliphatic amines (b) primary aromatic amines (c) secondary aliphatic amines (d) secondary aromatic amines

Last Answer : primary aromatic amines

Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl

Description : Which of the following statements is false about aniline? (a) It is a primary aromatic amine. (b) It is a weak base which forms salts with acids. (c) It liberates nitrogen on treatment with ice-cold nitrous acid. (d) It can be prepared by the reduction of nitrobenzene with tin and HCl

Last Answer : It liberates nitrogen on treatment with ice-cold nitrous acid

In electrophilic aromatic substitution reactions a chlorine substituent __________. (a) is a deactivator and a m-director (b) is a deactivator and an o,p-director (c) is an activator and a m-director (d) is an activator and an o,p-director

Description : In electrophilic aromatic substitution reactions a chlorine substituent __________. (a) is a deactivator and a m-director (b) is a deactivator and an o,p-director (c) is an activator and a m-director (d) is an activator and an o,p-director

Last Answer : is a deactivator and an o,p-director

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.

Which of the following is aromatic? (a) cyclopentadienyl cation (b) 1,3-cyclohexadiene(c) cyclobutenyl anion (d) cycloheptatrienyl cation

Description : Which of the following is aromatic? (a) cyclopentadienyl cation (b) 1,3-cyclohexadiene (c) cyclobutenyl anion (d) cycloheptatrienyl cation

Last Answer : cycloheptatrienyl cation

Aromatic molecules contain __________ π electrons. (a) no (b) 4n + 2 (with n being an integer) (c) 4n + 2 (with n being 0.5) (d) 4n (with n an integer)

Description : Aromatic molecules contain __________ π electrons. (a) no (b) 4n + 2 (with n being an integer) (c) 4n + 2 (with n being 0.5) (d) 4n (with n an integer)

Last Answer : 4n + 2 (with n being an integer)

Which of the following amino acids has an aromatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Description : Which of the following amino acids has an aromatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Last Answer : Tyrosine

Soap is (a) a mixture of salts of fatty acids (b) a salt of glycerol (c) a mixture of ethers (d) a mixture of aromatic ethers

Description : Soap is (a) a mixture of salts of fatty acids (b) a salt of glycerol (c) a mixture of ethers (d) a mixture of aromatic ethers

Last Answer : a mixture of salts of fatty acids