Which is a better nucleophile? a. Br or C in H20 b. Br or CI in DMSO c. CH3O or CH;OH in H20 d. CH30 or CH3OH in DMSO e. HO or NH2 in H20 f. HO or NH, in DMSO g. F or Br in H20 h. I or Br in DMSO

Q: ?nucleophiles اختر واحدة أو أكثر a. CH4 Ob. Br c. H20 d. NH3 e. H2C=CH2 (-)f. OH (+)g. Br h. BH3

A: The electron rich species are termed as nucleophiles. Nucleophiles can be neutral or negatively…

Q: Which bases can be used for an E2 reaction that follows Hofmann's rule? Choose all that apply. O…

A: According to Hoffman rule, an elimination reaction occurs to produce less substituted alkene which…

Q: Which do you think is a stronger nucleophile in an SN2 reaction-pyridine or pyrrole? Explain. H.…

A: The complete Lewis structures of the two compounds are

Q: Alkyl halides act as what in substitution reactions? Nucleophiles Electrophiles Catalysts Product…

A: In the substitution reaction is called a Nucleophilic Substitution reaction because the…

Q: Br is a better nucleophile than HSO4

A: Nucleophilic substitution reaction is the reaction in which one nucleophile substitutes the other…

Q: 5) Circle the letter code for all reaction types for which the statement is true. Sy1 = SN1…

A: SN1 reactions are shown by alkyl halides, EAS reactions are shown by Aromatic compounds and EA…

Q: H3C CH3 H3C CH2 H А. В.

A: Here both nucleophiles have one and two acetyl groups respectively and the lone pair (negative…

Q: Rank these nucleophiles from best to worst Na-I I Best (II)>(1)>(III) worst Best (1)>(III)>(II)…

A: Nucleophile is species which have tendency to donate electron pair. It is electron rich species

Q: 19 13 10 20 15 18 11

A: HOMO-Highest occupied molecular orbital and LUMO is the lowest unoccupied molecular orbital. Both…

Q: Aryl and vinyl halides are good in SN2 reaction. True O False

A: Nucleophilic substitution is an important organic reaction in which a leaving group is replaced by a…

Q: 1. For each of the following pairs of SN2 reactions, indicate which reaction occurs faster: a)…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which best describes why carbocation formation is the rate determining step of a unimolecular…

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Q: For each pair of compounds, which has the polar bond that will undergo nucleophilic addition more…

A: (a)

Q: Consider the substitution reaction shown below. By what mechanism will the reaction proceed? Br…

A: There occur substitution reaction.

Q: most stable to least stable nucleophiles

A: Nucleophiles are the chemical species which are nucleus loving and donates an electron pair to form…

Q: e. Hint: heat is necessary to generate carbocations AND the concentrated acid conditions minimize…

A: Given reaction is the elimination reaction. In the elimination reaction, protonation of alcohol…

Q: Same reaction as in Q1. H3PO4 What type of carbon does the nucleophile attack? O methyl O primary O…

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Q: 1 .CO2CH CO2CH3 H20 | H2SO4

A: Diels-Alder reaction mechanism proceeds through the suprafacial (same-face involvement of the ?…

Q: Which is the best nucleophile for an SN2? A B Me Me Li Ме 'Li Li В O A

A:

Q: i) (CH3)3N: (CH3)2ö: W ii)

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Q: A carbocation is a good a) electrophile b) nucleophile c) neither O a O b

A: In this question, we will see that the carbocation is a good Electrophile or Nucleophile.  You can…

Q: Rate the below nucleophiles in terms of INCREASING nucleophilicity. Explain why. CH3OH CH;0 t-BuO-…

A: As the name suggests, nucleophiles are those reagents that possess attraction for the positively…

Q: Which statement(s) is/are true regarding leaving groups? i. nucleophilicity generally increases with…

A: THE OPTION D IS CORRECT.   1. Nucleophilicity follows basicity across a row, as basicity increases…

Q: Which is the best nucleophile for an SN2? A C Ме Me Li Me Li

A: Factors affecting the nucleophilicity : Nucleophilicity is the tendency of an atom or group of atom…

Q: ?Which of the following is not a nucleophile اخترأحد الخيارات a. CH30CH3 b. NH3 C. FeBr3

A: To determine which of the following is not a nucleophile. CH3OCH3 NH3 FeBr3 Br-

Q: Question attached

A: E1 reaction is unimolecular reaction, where one substituent is removed from the molecule. In a E1…

Q: Drag the appropriate items to their respective bins. CH3 CH= CH2 CH3 CH3CH(CH3)CH,NH2 CH3CH2COO…

A: Attacking reagents can be classified into two types  Electrophiles (E+)  Nucleophiles (Nu-)…

Q: Would you expect methoxide ion to be a better nucleophile if it is dissolved in CH3OH or if it is…

A: Aprotic solvent are polar solvent molecules which do not have hydrogen bonded to oxygen to nitrogen.…

Q: Fill in the blanks: Good nucleophiles are usually strong mechanism. nucleophiles and a alkyl halide…

A: A nucleophile is defined as a chemical substance that has lone pair of electron or negative charge…

Q: Consider the following groups of compounds. In each series circke the weaker (poorer) nucleophile.…

A: The nucleophilicity of a substrate depends upon many factors such as basicity, nature of…

Q: Identify the stronger nucleophile in each pair of anions.a. Br- or Cl- in a polar protic solventb.…

A: a.Polar protic solvents contain hydrogen atoms bonded to electronegative atoms namely O or N.The…

Q: Jlain, why organocopper reagents are weaker nucleophile in comparison to organocuprate reagents.

A: Nucleophile are the chemical species that forms bond with the electrophile by donating it's lone…

Q: Identify the best reagent(s) for this reaction.

A: We want aldehyde . If carbocation form then it will rearrange and form ketone it means we need…

Q: Rank the relative reactivity of nucleophiles. The shortest time means fastest reaction, which gets…

A: To arrange the nucleophile in order of reactivity.,

Q: From each pair, select the stronger nucleophile. Q.) CH3COO- or OH-

A: The species, that make a covalent bond by donates a pair of electrons is known as nucleophile.…

Q: CH2 = CH2 + Br+ –- +CH2-CH2Br This is a step in a reaction where is the electrophile Radical Br+…

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Q: Identify the stronger nucleophile in each pair of anions. a.Br− or Cl− in a polar protic solvent…

A: A nucleophile is an electron rich species which consists of lone pair of electron pair or pi bond to…

Q: Question attached

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: What is a nucleophile? Provide some examples of nucleophiles that would work well in the SN2…

A: We have to tell about nucleophile.

Q: 5. What halide is the strongest nucleophile in a polar aprotic solvent? Why? a. F-, Br-, Cl-, I- b.…

A: The polar aprotic solvents do not contain hydrogen atom, which can take part in hydrogen bonding.…

Q: a. Which is a stronger base: RO- or RS-? b. Which is a better nucleophile in an aqueous solution? c.…

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Q: Draw the major product of this reaction. Ignore inorganic byproducts. Assume that the water side…

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Q: lect which molecule is the better nucleophile in e following pair: Br- or Cl- in H20 СНЗО-or CНЗОН…

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Q: Which reagent(s) will result in the nucleophile attacking the more substituted side of an epoxide?…

A: The question is based on the concept of organic reactions. It involves ring opening  of the epoxide…

Q: Which is the strongest nucleophile among the following? CN- , OH-, CH3OH, NH3

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Q: From each pair, select the stronger nucleophile. Q.) CH3SH or CH3S-

A: The species which make a covalent bond by donating a pair of electrons is termed as nucleophile.…

Q: In the E1 reaction, how is the rate affected when the concentration of attacking nucleophile is…

A: The rate of a reaction helps in the determination of the effect of the change in the concentration…

Q: Which of the following substrates will have the fastest rate of reaction with NaCN in DMSO? O A) B)…

A: Given: Alkyl halide + NaCN in polar aprotic solvent DMSO

Q: Which of the following statements about nucleophilic reactions are generally true ? V SN2 reactions…

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Q: Rank the nucleophiles in each group in order of increasing nucleophilicity.a. -OH, -NH2, H2Ob. -OH,…

A: Nucleophilicity increases with increase in basicity of species.  Across a period from right to left…