Chose all of the compounds that are aromatic? H. HOH HOH H. A В C E O All of these compounds. O A, B and D O B, D and E O B, C, D and E O A, B and C

Q: Name the following:

A: b. (2S,3S)-2-bromo-3-chloropentane d. (2R,3R)-2,3-dichloropentane

Q: Which of the following compounds contain an aromatic ring?

A: The aromaticity of the ring compounds is determined using the Huckel rule. A ring containing a…

Q: Which carbon(s) is/are electrophilic on the molecule shown below? 5 3 6 2

A: The atom which is electron deficient i.e carry positive  charge or carry partial positive charge or…

Q: Is the following compound aromatic, antiaromatic, nonaromatic, or is it not possible to tell? O a.…

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Q: Chose all of the compounds that are aromatic? H H'OH HOH А В E O All of these compounds. O A, B and…

A:

Q: Show the steps necessary to transform the compound on the left into the compound on the right

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Q: What is the organic product? I I Select one: O A. III O B. II OC. I O D. IV + II HI I III I IV

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Q: Which of the following species is aromatic? I Select one: O A. III OB. I ⒸC. IV OD. II II III >

A: Aromatic species are cyclic, planar and follows (4n+2)π electrons (i.e Huckel's rule)

Q: In the molecule shown below, which of the labeled C,C single bonds is the shortest?

A: Given   structure of multiple bonds  Find out the shortest C-C bond length

Q: Which orbitals overlap to create the C-C o-bond in ethyne? Select one: a. sp and sp b. sp and s s…

A: Given which orbitle overlap to create the c-c sigma bond in ethyne

Q: Identify the ion, the number of protons, the number of electrons, and give the appropriate IUPAC…

A: Given:

Q: Which of the structures shown in Figure 5-7 is/are aromatic? OA OB OC OD OE OF Figure 5-7 A H 8 elt…

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Q: Predict the indicated bond angles in each compound. H a. CH,cc CI b. CH2=CCI c. CH3 C-

A: (a) 180° (b) 120° (c) 109°28'

Q: Why isn't the following molecule aromatic? Select one: O A. It's not a cyclic, conjugated π electron…

A: For an organic compound to be aromatic, these are the criterion - The molecule should be cyclic…

Q: 2. Draw the electrophile for nitration. The nitrogen in nitric acid already has a formal charge. H₂O…

A: Nitrating mixture :It is a mixture of concentrated nitric acid and sulphuric acid.These both react…

Q: H“ NH₂ CI Н ОН сон но Н. Br

A: Here we have to use CIP rule to give priority to atom or group.

Q: What is the formal charge on the labeled carbon? C. O -1 +1 +2 O O O O

A:

Q: Which of the following triene, I, II, or Ill is the most stable? H H Н. Н C-CH₂ 11 111 0000 H2=C…

A: Alkene stability - Conjugated alkene is more stable tha unconjugated alkene.

Q: Is the following compound aromatic, antiaromatic, nonaromatic, or is it not possible to tell?

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Q: an alkyne 1 eq. Br₂ HgSO H₂SO4. H₂O 1) Na. NH₂(1) 2) Br₂ Br +

A: The objective of the question is to understand the chemical reaction process when an alkyne reacts…

Q: Which of the compounds shown below are aromatic? :Br: А. C. D. O 1.Compounds B and D. 02 Compound B…

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Q: 12.) How many aromatic compounds are in this group?

A: According to Huckel rule Aromatic compound are those compound where Molecule must be ring. All…

Q: 79. Draw structures for A-D for each of the following: CuLi CF3COO A 1. DIBALH, -78°C B 2. H2O HONH2…

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Q: 6. Atorvastatin (Lipitor) has exceeded 12.4 billion dollars in sales making it the top-selling brand…

A: The given compound is Atorvastatin To find: The number of aromatic ring present in the compound.…

Q: What specific type of substitution reaction do you think is shown below? CI 8.0 - 8.10 + HCI SN1 SN2…

A: In given reaction chloride ion is replaced by ethoxide ion. It is a substitution reaction not…

Q: HIO, 1. OsO4 2. NaHSO, Br2 t-BUOK H,O H,CrO4 E F light t-BUOH cat. H,SO4 1. O3 2. (CH; ),S A

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Q: -CI Br -F II II IV a. 1& || b. 1& III c. II & III d. Il & IV

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Q: Structure A Structure B Relationship O isomers H H H H H-C-C -NEN: N=N=C -C-H O resonance structures…

A: Relationship between structure A and structure B:

Q: which is an aromatic ring and why?

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

Q: 9. 2-Nonacontyne is a 90-carbon alkyne. Its formula is: a. C90H182 b. C90H180 C. C90H178 d. C90H135

A: General formula for alkyne ( are the hydrocarbons which contain carbon carbon triple bond )is…

Aromatic Compounds

Aromatic organic compound or aromatic system is an important class of hydrocarbons under the branch of organic chemistry. Aromatic compounds are also called arenas. The definition of aromatic organic compounds can be stated as a class of organic compounds with a planar cyclic ring of atoms bonded through alternated single and double bonds. Due to these alternating bonds, a peculiar feature termed as ‘resonance’, that is, delocalization of pi electrons or the electrons is shared within the atoms of the ring which are present in the aromatic compounds. The word ‘aromatic’ includes a Greek word ‘aroma’ which means smell, indicating that they were named as such due to the sweet odor they produce. Many well-known flavors such as vanilla, cinnamon, and few scents from flowers are extracted from aromatic compounds. Benzene with chemical formula C6H6 is a very common aromatic compound that contains six atoms of carbon held in the cyclic ring of alternate double bonds. It is also to be noted that not all aromatic compounds contain benzene ring. This can be explained by Huckel’s rule.