Each of the following heterocycles includes one or more nitrogen atoms.  Classify each nitrogen atom as basic or not? and explain it.

Q: 12

A: There are two types of groups. One is EWG(Electron withdrawing group) and EDG(Electron Donating…

Q: Rank these in order of increasing reactivity in an SN1 reaction

A: Answer: C) I < II < III

Q: Draw the structure of product, substrate, or condition in the following reactions (clearly show the…

A: As per guidelines , firswt three are allowed to answer, please post remaning rreactions seperately…

Q: Locate ONE (1) stereogenic centre in each compound. With detailed working steps, draw and name the S…

A: ( iii ) Stereogenic centre : This is the carbon center , which is sp3 hybridised and is attached to…

Q: Which sequence best accomplishes the synthesis of this compound? b)What is the major product?

A: Reagent Friday: TsCl (p-toluenesulfonyl chloride) and MsCl (methanesulfonyl chloride)    Previous…

Q: s sugar X a reducing or a non-reducing sugar?   Reducing, because one/both of the rings can open…

A: The carbohydrate containing free aldehyde or ketone groups in its molecular structure is said to be…

Q: How many asymmetrical carbon/s is/are present in the given structure?…

A: Calculate number of asymmetrical carbon present in the given above compound---

Q: Label the electrophilic and nucleophilic sites in each molecule ?

A: A nucleophile is defined as an electron rich species. It is also known as "nucleus loving" or…

Q: Substitutions of Aromatic Heterocycles DMF POCI3 CH mecanssum mpletely altered by the presence of…

A: In a chemical reaction, the combination of two reactants in an appropriate molar ratio produces the…

Q: For each, draw the organic product (ignoring stereochemistry), and state whether the process is…

A:

Q: Draw the structure of the major product. If the answer for the

A: 1. Addition of Br2 /H2O : it is a trans/anti addition product formed is bromohydrin , cyclic…

Q: Which molecule is more acidic? In fact, the more acidic molecule is roughly as acidic as water! H H…

A: Acidic character in the case of Bronsted acid is a molecule that can dissociate into negatively…

Q: Which carbon is most acidic?

A:

Q: does the substituent F __ have an electron withdrawing-effect, or a electron-donating effect?

A:

Q: In the following molecule, the directing effects of the two substituents are a. reinforcing b.…

A: -NH2 group is ortho & para directing  and increases the electron density at ortho and para…

Q: Please identify major PRODUCT A and major PRODUCT B.

A: We have given the organic reaction and we have to identify major PRODUCT A and major PRODUCT B

Q: Need solution to all parts urgently I'll surely upvote for correct ans otherwise dislike provide an…

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Q: 3. Which substituents is/are electron donating? Which of them are electron-withdrawing? 4. Which of…

A: Structure 1.  Benzene - no substituents  Structure 3.  Toluene - CH3 group is an electron donating…

Q: COULD EXPLAIN THE FOLLOWING STEPS BY ARROWS IN BASIC SOLUTION CH3 CH3 но CH2CH3 H20 CH2CH3

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Q: Which heterocycles are aromatic? a. d. b.

A: The aromaticity of the given heterocyclic compounds can be determined by using Huckel rule. There…

Q: A) Indicate the most acidic proton on each molecule. B) Rank in order from least to most which are…

A: Here we have to write the correct order of decreasing acidic strength of the following compounds and…

Q: Draw a reasonable mechanism using the curved-arrow formalism (include lone pair electrons). Show…

A:

Q: Which of the following are achiral?  And identify the relationship between each of them. Ex. A-B,…

A: The first step in solving this problem is assigning the R,S configuration to each chiral center. For…

Q: The following compound is? a. none of the other answers Ob. anti-aromatic Oc non-aromatic O d.…

A: If a compound follows 4n+2π electrons Huckel's rule then it is said to be aromatic and if it follows…

Q: Arrange the intermediates below in order of increasing basicity:

A: The basicity is ability of species to accept proton. More the acceptance of proton, more is basic…

Q: ) Propose a detailed curved-arrow. mehunim for the following transformetion.

A: Answer

Q: A proton transfer reaction can occur when a carbonyl compound is placed in an aqueous acidic…

A: The question is based on the concept of resonance. the delocalisation of electron pair with adjacent…

Q: Which heterocycles are aromatic?

A: a. Fuarn is cyclic and planar.  It has (4n+2)pi electrons which means it has 6pi electrons. Thus it…

Q: Draw a curved arrow mechanism of the following SN2' reaction.  Make sure you show the intermediate…

A: In the given question we have to write following mechanism and intermediate involved in it.

Q: Which SN1 reaction is each pair is faster? А. CI OH2 H20 .CI OH2 H20 CI В. H20 CI OH2 H20 OH2 B,

A: Unimolecular nucleophilic substitution reaction (SN1): This reaction proceeds into two steps. The…

Q: Which carbonyl contains the most acidic proton on its alpha carbon?

A: Acidity means release of hydrogen ions when dissolved in water. Organic reactions are those in which…

Q: The saccharide shown here is present in some plant-derived foods.            (a) Indicate the…

A: Given saccharide structure is:

Q: Which of the following Nitrogens circled in the molecule Ranitidine is the most basic?

A: Green circled nitrogen ( left to the furan ring) will be most basic.

Q: When a carbonyl compound is attacked by a nucleophile resulting in the formation of a new…

A: In the carbonyl compound nucleophilic addition reaction occurs.

Q: In the picture, Each of the following compounds has more than one kind of (a-H's). First draw all…

A: see the picture uploaded in the solution.  the most acidic proton is circled. if more than one…

Q: The CH3 group is considered a .... Ortho/Para Directing Activator Ortho/Para Directing Deactivator…

A: In the given question we have to write the role of alkyl i.e CH3 group mention in the question…

Q: Which sn² reaction is each pair is faster

A: Given Two SN2 reactions varied by two different nucleophiles OH- and CH3COO-

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: 3.1. Why is the compound shown on the right difficult to synthesize? ZON a. The group in the 3…

A: The group which Shows +R or +I effect increase the electron density on ortho and para position, so…

Q: Rank the reactivity of the following compounds according to the SN2 reaction? Please explain why a)…

A: The SN2 reaction mechanism involves the nucleophilic substitution reaction of the leaving group…

Q: Aside from H₃O⁺, the other product during the dissociation reaction of HN₃ is _____ and it is the…

A: In this question, we will selected the correct answer for the dissociation reaction of HN3 in water.…

Q: Sterically hindered bases produce what is the major product? Zaitsev product Hoffman…

A: In E2 elimination, when more substituted alkene is formed, it is known as Zaitsev product whereas…

Q: Draw the product of (S)- propene oxide and hydrogen chloride in diethyl ether Could you explain why…

A: We have to draw the product of (S)- propene oxide and hydrogen chloride in diethyl ether. Could you…

Q: НО. ОН

A: Addition of hydrogen to a molecule or removal of oxygen is called reduction. Removal of hydrogen to…

Q: A small, unhindered base:; bulky, hindered base:   Hoffman product; Zaitsev product Zaitsev…

A: We have to predict the type of elimination we can expect based on type of base used.

Q: Which aonance structure of the anion in the box? Y

A: Resonance structure:If the Lewis structure of a molecule or ion cannot explain by a single structure…

Q: The -Cl group is considered a .... Ortho/Para Directing Activator Ortho/Para Directing Deactivator…

A: Using resonance effect and inductive effect it is determined that -Cl is o/p directing and ring…

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.