b. Discuss the mechanism for any two of the reactions shown in Figure 4. Include all curly arrows, as well as any relevant stereochemistry considerations in your answer. (i) (ii) (iii) H Ph Br OH NaCN HO HCI MeOH NEt3 C4H7NO + NaCl A H₂SO4 catalyst C8H8O2 + Br B ✪ HNEt3 C7H1402 + H₂O C

Q: Explain the meaning of the following: (a) Chiral carbon (b) Enantiomers (c) Esterification

A:

Q: What are the requirements on the four groups attached to a carbon atom in orderthat it be a chiral…

A: A chiral center is the central carbon atom of the molecule that is attached to four other atom or…

Q: Please explain and give the n

A: Amino acids are the organic compounds that combine by peptide bond to form proteins . In amino…

Q: Draw structures from the following names, and determine which compounds are optically active:(a)…

A: The compounds which are capable of optical rotation are called optically active compounds. A…

Q: Identify and draw structures representing the different stereoregular forms of the polymers that are…

A: a) The structure of the polymer from the given monomer is,

Q: Which structure is 4-isopropyl-2,5-dimethylheptane (A) (B) (C) (D) X

A:

Q: Below is the amino acid L-cysteine. Please draw a peptide chain consisting of 4 cysteines (don't…

A:

Q: 3- dimensional structure: CH3CH2CH2CH3 C2H2Cl2 C2H2

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Which of the following shows C10H22 isomer?

A: Option A is correct answer.

Q: This substance, produced by certain soil bacteria as a defensive weapon, is used as an antibiotic.…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: How many chiral centers are present in this molecule? (a) (b) two (c) (d) one three none ملها

A: Chiral centre is a carbon atom which are attached with four different groups.

Q: Need the mechanical properties of the polymers

A: The polymer is a larger macro-structure that is composed of smaller molecular units repeated over a…

Q: Which of these structures is chiral?

A:

Q: Which of the following chemical tests CANNOT be used to distinguish the two compounds? (A) Br2/H2O…

A: The two given compounds are 1-Phenylmethanol and phenol . In order to distinguish between the two…

Q: how many double bonds would C2H2Cl2F2 have?

A: The bonds are used to combine two atoms in a molecule. The bonds can be of single, double and triple…

Q: medical examiner is trying to determine the cause of death of a 48 year old male, Archie, who seems…

A:

Q: "There are ten HIV protease inhibitors approved by the FDA; those inhibitors include: saquinavir,…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Fe3+: Zn2+:

A:

Q: NaOCH3 CH;OH

A: In this question we have to tell the product of the reaction.

Q: Explain the following observations:  (i) Kevlar has an extremely high tensile strength and melting…

A:

Q: What is the line structure for (CH3)3COCN?

A: Line structure :-  The name of the formula reveals how it works. This formula has a lot of bonds and…

Q: Erwin Chargaff’s discovery that DNA contains equimolar amounts of guanine and cytosine and also…

A: Part a: Chargaff’s rule implies that the amount of adenine is equal to amount of thymine and the…

Q: A long polymer chain, such as polyethylene ( -CH2CH2- )n, can potentially exist in solution as a…

A:

Q: CH3C=CLi + Br

A: The reaction involves lithium acetylide (CH3C≡CLi) and 1-bromobutane. The acetylide ion (CH3C≡C^-)…

Q: How many kilograms of NaHCO; are needed to produce 1.00 m² (cubic meters) of CO2 gas at 2.00 atm and…

A: V = 1m3 = 1000L  P = 2atm  T = 45oC = 318.15K Molar mass of NaHCO3 = 84g/mol

Q: Given that the structural repeating units of polyethylene and poly(propylene) are respectively, draw…

A: The crystallinity of the polymer depends on many factors: Intermolecular forces between the chains.…

Q: Cd(s) + MgBr2(aq) →

A: This is single displacement reaction . Reaction in which one atom replace by another atom

Q: Which structure is deoxycytidine monophosphate?

A: For solving this , we have to break this name into smaller fragments. Then step by step we can find…

Q: Draw skeletal structure of [Ch3ch2ch2ch2ch2ohch3] +

A: The objective of the question is to draw the skeletal structure of .

Q: H2/Pt

A: ->H2/pt is reducing agent.it can reduce double bond. ->HI used for breaking of ether.

Q: (CH3)3COH = convert tocomplete structure

A:

Q: (b) Calculate the pH of 0.0005 mol dm³ ethanoic acid when its pK 4.75 CH₂COOH(aq) à CH₂COO (aq) + H*…

A:

Q: Draw the structures of the nucleosides formed from each of the following components: (a) ribose +…

A: Nucleosides are nitrogenous bases that are covalently bonded to ribose or deoxyribose by a…

Q: To the following statement, answer true or false and explain your answer. Q)To be optically active,…

A: Chiral center: A tetrahedral atom that is bonded to four different groups is called as chiral…

Q: the monomer units of amylose, the main component of starch, andglycogen, the animal stored…

A: Answer -  Amylose - Amylose molecules tend to form coiled springs due to the way in which the the…

Q: Which of the following equations is correct? Multiple Choice O O O K(OH)(aq) → K*(aq) +OH(aq)…

A: We have been given dissociation or ionisation of the species in aqueous solution.

Q: C5H12 + Reaction type: O₂ → CO₂ CO₂ + H₂O + heat +

A: If heat is released in the reaction then reaction is known as exothermic reaction.

Q: C28H37N10O23P3 How do you draw this structure?

A: The structure of C28H37N10O23P3 can be drawn as shown below.

Q: What is the hybridization of P in CH3PO4?

A: Hybridization is defined as mixing of orbitals having different energy so as to rehybridize to form…