The purine heterocycle occurs commonly in the structure of DNA. a. How is each N atom hybridized? b. In what type of orbital does each lone pair on a N atom reside? c. How many a electrons does purine contain? d. Why is purine aromatic? purine
Q: The purine heterocycle occurs commonly in the structure of DNA.a.How is each N atom hybridized? b.In…
A: a.
Q: (a) Which compounds (B–F) are identical to A? (b) Which compounds (B–F) represent an isomer of A?
A:
Q: Explain why each compound is aromatic, anti aromatic or non aromatic? Explain С. D. А. В.
A: Solution, Questions belong to aromaticity of Hydrocarbon. Aromatic compound are those which is…
Q: D. А. B.
A: Highly stable conjugated cyclic compounds that do not give addition reactions and follow the Huckel…
Q: How can you tell a substituent will donate negative charge into an aromatic ring? A) There is an…
A: The substitution on the aromatic ring are of two types- 1- electron withdrawing group 2- electron…
Q: B3) Classify each compound as Aromatic, Antiaromatic or nonaromatic, provide the # of pi electrons…
A:
Q: Cyclooctatetraene is a not planar because it disrupts conjugation and avoids anti-aromaticity. b…
A: Choose the correct option for Cyclooctatetraene ---
Q: Explain why C is aromatic.
A:
Q: Label each heterocycle as aromatic, antiaromatic, or not aromatic.
A: The aromaticity of a molecule is governed by the following factors: Cyclic Planar Delocalization of…
Q: Draw the conjugate bases of pyrrole and cyclopentadiene. Explain why the sp° hybridized C- H bond of…
A: The conjugate base of pyrrole and cyclopentadiene has to be drawn.
Q: Draw a second resonance structure for each carbocation. Then draw the hybrid.
A: In the below steps , please find the Resonating structure & hybrid
Q: Explain why A is aromatic but B is not aromatic.
A: Given compounds,
Q: a.Draw all reasonable resonance structures for pyrrole, and explain why pyrrole is less resonance…
A: Pyrrole is less resonance stabilized than benzene because of the reason that the in the resonance…
Q: C. How many of the following structures are allylic? D. How many are arylic? E. How many are…
A:
Q: b. d. Note: Ph -phenyl NHCH,CH3 Ph-N-CH,CH3 CH2CH3 ČH3
A: ◆ The longest continuous carbon chain includes the carbon attached to -NH2 group. ◆ Amines are named…
Q: Explain why A is aromatic but B is not aromatic. NH OCH,CH3 A B
A: Aromatic compounds are stable chemical species, which follows Huckel's rule, have cyclic molecule,…
Q: Characterizing a Compound as Aromatic, Antiaromatic, or Not Aromatic Label each compound as…
A: The first compound A is non-aromatic because the compound is not planar. It consists of one sp3…
Q: (6) Which compound has aromaticity? ( А. В. С. D.
A:
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: COULD EXPLAIN THE FOLLOWING STEPS BY ARROWS IN BASIC SOLUTION CH3 CH3 но CH2CH3 H20 CH2CH3
A:
Q: (a) Explain why an alkylamine is more basic than ammonia?(b) How would you convert(i) Aniline to…
A:
Q: 6) Stability of aromatic molecules: Which can be chssitied as being aromatic? c)
A: To Molecule become aromatic , there are some rules must be satisfied by the Molecule . 1. Molecule…
Q: Circle the least reactive compound in an SN2 reaction. Explain your choice. H H. CH2I CH,CH,I
A: "Since you have asked multiple question, we will solve the first question for you. If youwant any…
Q: Which compounds (B–F) are identical to A? (b) Which compounds (B–F) represent an isomer of A?
A: Given:
Q: Explain why A is aromatic but B is not aromatic.
A: The compounds that are planar, cyclic and have continuous conjugation of pi bonds are known as…
Q: Which structure is NOT aromatic? d. Do .. H3C :Br:
A: In order to decide a compound to be aromatic the following points are considered. The compound…
Q: B. C. D. A.
A: Some of the properties of aromatic compounds are: The ring must be conjugated It should be a closed…
Q: N° NMe A
A:
Q: Explain why A is aromatic but B is not aromatic (see attached file)
A: Given: Ring A: 9 membered unsaturated ring with 1 unsubstituted nitrogen atom Ring B: 9 membered…
Q: Explain why CH3CONH2 is a stronger acid and a weaker base than CH3CH2NH2.
A: Since the acidic strength of the compound depends on the stability of the anion formed by the…
Q: LINH, ethanol 18. What is the major product? а. b. d. not a.-c.
A: This reaction is an example of Birch reduction.
Q: can you identify A and B
A: Identify A & B.
Q: compounds A and B ?
A:
Q: Could you explain why the highlighted group on the right side of the double bond has a higher…
A: Any substituent having higher atomic number takes more priority over a substituent with a lower…
Q: 1. Name these aromatic cómpounds properly. a) for b) NO
A: According to Bartlby guidelines I solve first question only , you asked second question separately
Q: Explain why each compound is aromatic, anti aromatic or non aromatic? Explain А. В. С. D.
A:
Q: Label each compound as aromatic, antiaromatic, or not aromatic. Assume allcompletely conjugated…
A: The first compound A is non-aromatic because the compound is not planar. It consists of one sp3…
Q: The purine heterocycle occurs commonly in the structure of DNA. How is each N atom hybridized?
A: Hybridization: When atomic orbitals combine together, resulting in the formation of a new…
Q: Januvia, the trade name for sitagliptin, was introduced in 2006 for the treatment of type 2…
A: Structure of sitagliptin is as follows.
Q: xplain why unfavorable reaction between: N(C6H5)3 and BCl3 explain the reason in details.
A: In BCl3, B has 6 valence electrons, thus it is an electron deficient atom. In N(C6H5)3, N has 5…
Q: Explain why the trifluoromethane sulfonate (TfO-) ion is a better leaving group than the…
A: An electron withdrawing group withdraws the electron density from a reaction center. Examples of…
Q: Classify each compound as aromatic, antiaromatic, or not aromatic.
A: The each of the following compound as aromatic, anti-aromatic, or non-aromatic has to be classified.
Q: Zolpidem (trade name Ambien) promotes the rapid onset of sleep, making it a widely prescribed drug…
A: The solution is shown in the image below-
Q: Determine if the following compounds are aromatic or anti-aromatic (A.) (B.) (C.) (D.) (E.)
A: ->Aromatic compounds are those chemical compounds that contain one or more rings with Pi…
Q: Draw the conjugate bases of pyrrole and cyclopentadiene. Explain whythe sp3 hybridized C—H bond of…
A: The conjugate bases of pyrrole and cyclopentadiene has to be drawn.
Q: Label each heterocycle as aromatic, antiaromatic, or not aromatic.
A: The aromaticity of a molecule is governed by the following factors: Cyclic Planar Delocalization of…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Which molecules below are anti- aromatic? D A. Structure D Structure B Structure A Structure C B. C. D.Which molecules below are aromatic? A. B. Structure D Structure B Structure A Structure C Structure E D. E.a.How many π electrons does C contain? b.How many π electrons are delocalized in the ring? c.Explain why C is aromatic.
- Zolpidem (trade name Ambien) promotes the rapid onset of sleep, making it a widely prescribed drug for treating insomnia. a.In what type of orbital does the lone pair on each N atom in the heterocycle reside? b. Explain why the bicyclic ring system that contains both N atoms is aromatic. c.Draw all reasonable resonance structures for the bicyclic ring system.Which compound is not aromatic? A. only A and D B. A, B and C C. only B D. only AWhich base is at the 5’ end of the structure shown? A.) A B.) C C.) G D.) T E.) U
- C. D. O: :O: The lone pair in compound C is Compound C is In compound D, not aromatic. aromatic. delocalized. not delocalized. one lone pair is delocalized. both lone pairs are not delocalized. both lone pairs are delocalized. CompoundINSTRUCTIONS: Choose the letter of the BEST answer for each item. 1. How many lone pairs are involved in sustaining the conjugation of pyridine? A. One B. Two C. Three D. Four 2. Benzopyrene, naphthalene and pyrene are members of these group of aromatic compounds: A. Benzenoid aromatic compounds B. Non-benzenoid aromatic compounds C. Heterocyclic aromatic compounds D. Heteronuclear compounds 3. What type of aromatic compound is pyridine? A. Heterocyclic aromatic compound B. Benzenoid aromatic compound C. Non-benzenoid aromatic compound D. Homonuclear cyclic compound 4. What property of aromatic rings prevent the involvement of the conjugated structure to addition reactions? A. Radical stabilization B. Resonance stability C. Inductive effect D. Aromatic effect 5. Which electrophilic aromatic substitution reaction is described when aniline is transformed into para-aminotolouene? A. Nitration B. Friedel Crafts alkylation C. Oxidation D. Halogenation 6. What type of relationship does…Answer the following questions about erlotinib and terbinafine. Erlotinib, sold under the trade name Tarceva, was introduced in 2004 for the treatment of lung cancer. Terbinafine is an antifungal medication used to treat ringworm and fungal nail infections. a.Which C–H bond in erlotinib is most acidic? b.What orbitals are used to form the shortest C–C single bond in erlotinib? c.Rank the labeled bonds in terbinafine in order of increasing bond strength. d. Draw two additional resonance structures for terbinafine that contain all uncharged atoms.
- Which among the five aromatic molecules will have the least ability to undergo molecularstacking?A. Structure 1B. Structure 2C. Structure 3D. Structure Which aromatic structures contains functional groups which are electron-withdrawing?A. Structures 1, 2 and 4B. Structures 2, 3 and 5C. Structures 2, 4, and 5D. Structures 1, 3, and 4 Which aromatic structures contain functional groups which are electron-donating?A. Structures 1 and 3B. Structures 1 and 4C. Structures 3 and 5D. Structures 3 and 4 In which structure do you expect two products after alkylation?A. Structure 1B. Structure 2C. Structure 3D. Structure 4 In which carbon position will an incoming halogen be located in Structure 3, relative tothe OH group?A. Ortho positionB. Meta positionC. Para positionD. Ortho and para position In which aromatic molecule do you expect to have a carbocation form during resonancestabilization?A. Structures 2, 3 and 4B. Structures 2, 4 and 5C. Structures 2, 3 and 5D. Structures 1, 3 and 4Select all aromatic rings that contain deactivating groups. a. d. a b C P e f -ħ NH₂ b. NO₂ SO₂H C. LOCH31. Piperonal is a natural product found in various plants, such as dill and black pepper. Answer the questions below about piperonal. H. A E piperonal A. What is the hybridization of this carbon? B. How many H's does this carbon have? C. What is this functional group called? D. What is the molecular geometry of this carbon? E. What is the hybridization of this carbon? F. What is the strongest intermolecular interaction piperonal can participate in? G. How many degrees of unsaturation does piperonal have? H. How many 'H NMR signals would piperonal have? I. How many 13C NMR signals would piperonal have?