Which benzene derivative would be the most reactive in an electrophilic aromatic substitution reaction? Click on a letter A through D to answer. А. `NO2 C. В. OH Br D. B.

Q: SCH3 OCH3 Br N(CH3)2 1 2 3 A) 3>1> 2>4 B) 3> 2>1>4 C) 4 > 2 > 3 >1 D) 1>3> 2 > 4

A: Order the carboxylic acid derivatives from most reactive to least reactive towards nucleophilic…

Q: Which is most reactive in electrophilic aromatic substitution? (A) (B) CH3 (C) CF3 (D) OCH3

A: Rate of Electrophile aromatic substitution increase as density of electron increase on benzene ring…

Q: Label the reactive features of each molecule and then circle the nucleophile used in the reaction…

A:

Q: Indicate which of the ff. statements regarding nucleophilicity is incorrect. A Second row elements…

A: As we goes down the group nucleophlicity increase and basicity will decrease . This fact can be…

Q: 19 13 10 20 15 18 11

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

Q: In electrophilic aromatic substitution of pyridine, which carbon is easily attacked by an…

A:

Q: Why do we need to use lewis acids before electrophilic aromatic substitution reaction proceeds? to…

A: Why do we need to use lewis acids before electrophilic aromatic substitution reaction proceeds? The…

Q: Which halogens are attached to Vinylic carbons? 2. Which of the following is the best electrophile?

A: The formula of vinylic functional group is shown below: -CH=CH2. The group which contains ethylene…

Q: Which is least reactive in electrophilic aromatic substitution? (A) (B) CH3 (C) CHO (D) C3

A:

Q: How to Form an Internal Alkyne by Two Sequential SN2 Reactions ?

A: The terminal alkynes are those alkynes in which the triple bond is present between the first and the…

Q: For each horizontal row of substituted benzenes, indicatea. the one that is the most reactive in an…

A: Various types of mechanism are studied in organic chemistry. Different organic compounds undergo…

Q: Which one of the statements below is wrong about Zaitsev’s Rule.     a.   None of the above

A: Zaitsev's rule help us in predicting that which  alkene product is favoured in elimination…

Q: Rank group of compounds from most reactive to least reactive toward electrophilic aromatic…

A: When the benzene ring has electron-donating groups, then the benzene ring has more reactive to…

Q: What is the appropriate electrophile nucleophile and solvent to achieve this final product

A:

Q: Explain why a nucleophilic reagent such as ethoxide adds to an alkyne more easily than it adds to an…

A: The unsaturated hydrocarbons are of two types namely alkenes and alkynes. The alkenes consist of at…

Q: Generally alkynes prefer to undergo: SN2 Both SNI and SN2 SNI Addition Reaction

A: Alkynes are unsaturated system (due to the presence of multiple bonds in them). So, their principle…

Q: Which benzene derivative would be the most reactive in an electrophilic aromatic substitution…

A:

Q: Halohydrin formation from an alkene involves: a. Temporary induction of the dipole moment of a…

A: Halohydrin is prepared from Reaction between alkene and halogen in presence of water Molecules.…

Q: Good nucleophiles that are weak bases favor substitution overelimination. Explain this ?

A: Good nucleophiles are weak bases which favor substitution often.

Q: Aliphatic aldehydes have slower rate of reaction in comparison to aromaticaldehydes. *

A:

Q: Why does bromination give exclusively anti products while chlorination gives a mixture of syn and…

A: Halogenation is the addition of halogens to alkenes. Halogenation usually gives anti products. If…

Q: Which of the following could act as a nucleophile?

A: Given:To give which of the following could act as a nucleophile

Q: Which of the following are anti-aromatic? Furan b. Thiophene С. H Pyrrole d. Pyridine e. None of the…

A: Conditions for an organic compound to be aromatic: The organic compound must be 1. cyclic 2. planar…

Q: How many carboyxlic acid groups will be attached to the benzene ring after the reaction? KMNO4

A:

Q: Without reading ahead in L Chapter 20, state whether it should be possible to carry out each of the…

A: The reactivity of the acid derivative depends on the partial positive charge on the carbonyl carbon…

Q: what is the Mechanism and important examples of aromatic Nucleophilic Substitution reactions

A: The substitution reaction which take place on an aromatic ring via nucleophile.

Q: 10. Use multiple steps to complete the synthesis below. ОН Br

A: Bromo alkane forms grignard reagent on reaction with Mg metal in dry ether medium.  Alkyl group of…

Q: [Review Topics] [References] Indicate, by letter(s), the position(s) on the ring at which…

A:

Q: Indicate which of the ff. statements regarding nucleophilicity is incorrect. 1. F- is more…

A: Nucleophilicity is directly proportional to Polarisability.  Order of nucleophilic halide :…

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: Which position(s) on the ring would substitution occur when the aromatic compound shown undergoes…

A:

Q: a) This alkene can be prepared via Wittig reaction. Draw structural formulas for the aldehyde and…

A:

Q: Why some substituents make a benzene ring react faster than benzeneitself (activators) ?

A: Directive influence of the attached substituents on the benzene ring The ability of the attached…

Q: Explain the Limitations on Electrophilic Substitution Reactions with Substituted Benzenes ?

A: Electrophilic Substitution reactions are the most important and characteristic reactions of Benzene…

Q: ophilic aromatic substitutions proceed in two stages. 1. Attack of the aromatic ring on the…

A: Here the step 1  Is generation of an electrophile which is generated as the Br-Br bond interact with…

Q: = most reactive toward electrophilic aromatic substitution?

A: Compound which is more electron rich is considered to be most reactive towards electrophilic…

Q: In electrophilic aromatic substitution, what happens during the first step of the reaction?  A)…

A: In general electrophilic aromatic substitution reaction involves two steps.  Step 1 : nucleophilic…

Q: prevent the occurrence of radical chain explosion

A: According to the question, explosions occur when the rate of reaction increases dramatically over a…

Q: why a CH3 group directs electrophilic aromatic substitution to theortho and para positions ?

A:

Q: type op or m, to indicate if the group would be an op or meta director in electrophilic aromatic…

A: Displacement of pi or non bonded electrons through conjugation is called mesmeric effect

Q: How would you convert the benzene into cinnamic acid?

A:

Q: Electrophilic aromatic substitution usually occurs at the 1-position of naphthalene, also called the…

A: Naphthalene undergoes electrophilic aromatic substitution in the first position. The structure of…

Q: answer....given below some compounds give the rank most reactive to least reactive in an…

A:

Q: When a is on an atom directly attached to a benzene ring, the benzene ring will stabilize it by…

A:

Q: Rank group of compounds from most reactive to least reactive toward electrophilic aromatic…

A: The order of decreasing reactivity toward electrophilic aromatic substitution is,