carbons with alternating double and single bonds throughout are called annulenes. A bracketed number is used to indicate the numb

Q: Biphenyl has the following structure.(a) Is biphenyl a (fused) polynuclear aromatic hydrocarbon?(b)…

A: a). The structure of biphenyl is represented as shown below. Fused structures have rings joined to…

Q: aromatic, anti-aromatic or neither.

A: To be aromatic, a molecule must meet the following four conditions: It must be a ring. It must be…

Q: Is the following compound aromatic, non-aromatic or antiaromatic. Non-aromatic Aromatic…

A: Aromatic compound: If the cyclic compound contains a planar ring with sp2 hybridized atoms and…

Q: Which one of these molecules are aromatic?

A: Aromatic compounds are those compounds that contain conjugated planar system with delocalization of…

Q: ring with the effect of ……………… and are ……………………… directed towards electrophiles. Groups that are…

A: If any group increases electron density on benzene is ortho para directing. If it withdraw electron…

Q: State the Electrostatic potential maps of pyridine and pyrrole ?

A: Electrostatic potential maps are used to illustrate the charge distribution of the molecules in a…

Q: A. Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic…

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Q: Which of the tollowing compounds would be considered aromatic?

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Q: When Pentalene, azulene, and heptalene are considered as conjugated hydrocarbons ?

A: The three different types of dienes are  1) Conjugated dienes : This are those dienes in which the…

Q: Complete the table with respect to each structure. Structure Planar? Completely Conjugated? # of…

A: The molecule is planar when it is SP2 hybridized or in resonance. If the molecule contains 4n+2 pi…

Q: following compour aromatic or non ar

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: How is this aromatic

A: Generally aromaticity of molecule is predicted by Huckel's rule.

Q: Please explain question 1 and 8  1. How many degrees of unsaturation are present in your unknown…

A: Benzene undergo Electrophilic substitution reaction in which an electrophile replaces H of its ring.

Q: Explain why triphenylene resembles benzene in that it does not undergo addition reactions with Br2,…

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Q: Is this compound aromatic, please explain why or why not?

A:

Q: Provide the name of the functional group attached to the aromatic ring. "Do not include aromatic in…

A:

Q: Both alkenes and alkynes under hydrogenation by the same reaction mechanism. Draw the line angle…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Complete the table with respect to each structure. m Structure Planar? Completely Conjugated? # of…

A: Planarity: In the first structure there is a carbanion present. The hybridization involved in…

Q: Which of the following compounds represents an aromatic heterocycle? A) Compound I II. B) Compound…

A: Aromatic heterocyclic compound is the compound in which one or more carbon in the cycle is replaced…

Q: A. Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic…

A: Note : Alkene on hydrogenation produces the alkanes ( see below). Aromatic : (4n+2) pi electrons,…

Q: (a) Which of the following has lone pair on O atom that is part of aromaticity? (b) Which lacks…

A: The rules of aromaticity are:-  the compound must be cyclic the compound must be planar the compound…

Q: Compounds Aromatic or not ? and give the reasons ?

A: Given,

Q: :S: (b) (c) (a)

A: Any molecule is said to be Aromatic if it follow the following the molecule must follow Huckel's…

Q: Label attached compound as more or less reactive than benzene in electrophilic aromatic…

A: The substituents on the benzene determine the reactivity of benzene. The reaction of a substituted…

Q: Write a molecule with a total of 16 carbons (by express formula) in each of the following classes of…

A: d) An aromatic dinitro molecule. The structure must have- 2 nitro groups An aromatic ring Total 16…

Q: fill in the blanks. If there are unshared pairs of electrons on the atoms directly attached to the…

A: Explanation-  1) Electron donating groups cause the second subtituent to add on to the para or ortho…

Q: Is the following molecule aromatic? Explain.

A: According to Huckel cyclic, planar, conjugated systems are aromatic if they have 4n+2π electrons and…

Q: A. Determine the number of electrons in a system of cyclic conjugation (zero if no cyclic…

A: Aromaticity of the compound is determined by the delocalization of electrons.  A compound is…

Q: Refer to the attached picture for the following questions  Which among the five aromatic molecules…

A: We know that molecular stacking is decreased when there is steric repulsion in structure 3 there is…

Q: Which of the following is anti aromatic?

A: The anti aromatic compound has to be identified.

Q: of the atoms in the following diagram (attached) of allylcyanide have been randomly labelled with…

A: Steric number = 2-> linear                           =3 ->trigonal planar…

Q: What can you say about the organic compound below in terms of aromaticity? (attached photo)…

A: Highly stable conjugated cyclic compounds that do not give addition reactions and follow the Huckel…

Q: Furan is less reactive than thiophene to electrophilic aromatic substitution.

A: Thiophene Furan

Q: A

A: Aromaticity is a property of cyclic, planar structures with pi bonds in resonance that increased…

Q: Consider the following compounds: H ARO МАТ TIC HYD ROC does not follow Huckel rule Choose lacks…

A: As framed by  German chemist and physicist Erich Hückel,  Huckel's rule states that if a cyclic,…

Q: Is this compound aromatic, please explain why why not? or IZ

A: The Compounds which follows Huckel rule are called as the aromatic compounds.  Huckel rule is 4n+2=π…

Q: which of the structures is aromatic, according to Huckle? list the 3 features that make them…

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Q: 1. A.Electrons in a cyclic conjugated system.| B.The compound is (a, aa, or na)

A: Aromatic compounds Anti-aromatic compounds Non-aromatic Compounds   - cyclic compounds  - flat  -…

Q: Explain why electrophilic aromatic substitution in Pyrrole takes place at C-2 positions whereas, in…

A: Pyrrole is more reactive towards electrophilic reagents in comparison to pyridine because of its…

Q: Describe electrophilic substitution reaction of aromatic system with one example

A: In electrophilic aromatic substitution reaction hydrogen atom is attached to an aromatic system…

Q: The criteria for aromaticity now includes the which is generated by the circulating pi electrons of…

A: Criteria of aromaticity ?

Q: Are the following compounds aromatic, anti-aromatic, or not aromatic. Please use Hückel's Rule to…

A:

Q: which are aromatic. anti aromatic or non aromatic?

A: Aromatic rings follow the following condition: 1. It has a closed ring structure. 2. It has a planar…

Q: How process of ring-flipping also affects the orientation of cyclohexane's hydrogen atoms ?

A: Ring flip is the process of interconversion of cyclic conformers of same shape.

Q: Provide the name of the functional group attached to the aromatic ring. "Do not include aromatic in…

A: We are given an aromatic compound with  functional group.

Q: Add electrons to your energy diagram to show the configuration of the cyclopropenylcation and the…

A: The structure of cyclopropenyl cation is, The structure of cyclopropenyl anion is, The energy…

Q: For the structures shown below, state the number of pi electrons present in the molecule. ОН НО…

A: According to huckel rule of aromaticity for a molecule to be aromatic it should be cyclic planar and…

Q: Please give a clear handwritten answer of this structure classified in aromatic and…

A: Given; structure of molecules