2. H3CH2C. CH3 Cc=C3 `CH2CH3 H3C CH2CH(CH3)2 H3C Cc=c3 4. (H3C)2HC `CH2CH3

Q: Draw the bond-line formula of 3,4-dimethylhexane. Is geometric isomerism observed in…

A: We can represent any organic molecule by different projection formulas, among which one of the…

Q: Write the correct IUPAC name (old or new) of the structure below. Always capitalize the first…

A:

Q: OH CH3 Но CH3 H. H Vs ОН -H- HO. vs НО H- HO- H `CH3 CH3 CH3 Et

A: Isomers: are defined as molecules having same molecular formula and same number of atoms but…

Q: For the following molecule, determine the R/S configuration of each stereogenic carbon atom then…

A: To determine R/S configuration we would use the Cahn-Inglod-Prelog ( CIP ) rules.  In this we assign…

Q: II. For each structure, slight along the C2-C3 bond, draw the Newman projection of the MOST stable…

A: We have to draw the most stable and least stable conformation  in Newman Projection of the following…

Q: Which of the following molecules is optically active? CH3 CH3 CH3 CH3 H3C CH3 H3C CH3

A:

Q: 2. Which of the following compounds exhibit cis/trans isomerism? Explain why. Draw the Cis and trans…

A:

Q: 1. Give the IUPAC names for the following compounds: a) CSH12 d) CH3 b) (CH3]3CCH2CH2CH CH3 ČH3…

A: Organic compounds are named according to the IUPAC nomenclature which has some general rules;…

Q: CH3 CH3 11 |13 12 2 10 8, 14 3 4 6 7 a) Substituent Up at C4. b) Substituent Up at C11| c)…

A:

Q: 5. Given the molecule 1,2-dimethyl-4-bromocyclohexane below: CH3 Br" CH3 NOTE: All groups are cis…

A: see below

Q: 17) In the lowest energy conformation of the compound shown below, how many alkyl substituents are…

A:

Q: 5. Give IUPAC names for the following compounds: CH3 (b) H3C CH3 (c) CH3 (a) H H. *CH3

A: Note : According to our guidelines we are supposed to answer only first three subparts.

Q: Consider 2-methylbutane (isopentane). Looking along the C2-C3 bond: a) Draw a Newmann projection of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The following structures represent all stereoisomers for the: * CH3 CH3 CH3 Br Br Br - Br Br Br H-…

A: We are to check that for which acompound the given structures are stereoisomers, i.e. we are to givw…

Q: 4. What is the relationship (resonance structures, constitutional isomers, conformational isomers,…

A:

Q: Using the cyclohexane with the C’s numbered as shown, draw a chair form that ts each description.a.…

A: The chair form of cyclohexane with axial and equatorial positions with the C’s numbered is shown…

Q: Make a model of each compound, draw it in its most symmetric conformation, and determine whether it…

A: Asymmetric centre – Asymmetric centre is a molecule having a special arrangement of atoms which is…

Q: For the Newman projection shown below, the back carbon is being rotated clockwise as illustrated…

A: Conformers:- If the groups are large enough to have a significant effect on the energy of rotation…

Q: ОН ОН ОН 8 CI 3. 4 CI CI ОН ОН N. OH OH Complete the Newman projections to show the compound above…

A:

Q: For each compound below, draw two chair conformations. Indicate whether the substituents are axial…

A: In a chair form, equatorial substituents more stable than axial substituents. This is due to…

Q: (e) CH3 CH2CH3 (1) H3C CH3 CH3CH2CH2CHCH2CCH3 CH3C-CCH,CH2CH3 CH3 H3C CH3

A: IUPAC is the International Union of Pure and Applied Chemistry. The organic compounds are named…

Q: A molecule is achiral if it has a plane of symmetry in any conformation. Each of the attached…

A: a. Compound a exhibits the plane of symmetry. A plane of symmetry cuts the molecule into two…

Q: 6. For each compound below, draw two chair conformations. Indicate whether the substituents are…

A: The chair conformation in which bulky group is present in the equatorial position is said to be more…

Q: Consider the cyclohexane framework in a chair conformation, where carbon 1 has two substituents, X…

A:

Q: 2. Which is the appropriate conversion of CH3CHCICH2CH(CH3)2 to a skeletal structure? b. d. a. А. А…

A: Skeletal structure for above compound

Q: c)Conformational isomer is the different spatial arrangement of the atom that resulted from rotation…

A:

Q: Use a Newman projection about the indicated bond to draw the most stable conformer for each compound…

A: Given compound: 3,3-dimethylhexane.

Q: Conformational studies on ethane-1,2-diol (HOCH2¬CH2OH) have shown the most stable conformation…

A: Gauche conformation of ethane-1,2-diol is the most stable conformation when compared to…

Q: OH H;CH2C H. C%3C CH2CH2CI CH3 CIH,CH2C F

A:

Q: H3C 2 HO CH3 CH3 H. CH3 brevisamide O:

A:

Q: Use a Newman projection about the indicated bond to draw the most stable conformer for each…

A: A Newman projection, useful in alkane stereochemistry, visualizes the conformation of a chemical…

Q: What are the relative energy levels of the three staggered conformations of 2,3-dimethylbutane when…

A: Given: 3 Different conformation and some of the statements regarding it. To find: The correct…

Q: The compounds whose molecules are shown below would have: CH3 CH3 F HD CH3 A. the same melting point…

A:

Q: 6. Indicate whether the circled carbon in each of these is chiral a. CH3-CH-CH2-CH3 b. CH3-CH2-C-CH3…

A: The decision of symmetry can be made through symmetry elements which are as follows:  Plane of…

Q: 40. Beginning with the Newman projection below as number 1, draw each of the six conformations for…

A: The six confirmations for the molecule are as follows: Among the following structures, staggered…

Q: ght along the C2-C3 blond of 2-methylbutane: a)draw the newman projection of the most stable…

A:

Q: Use a Newman projection about the indicated bond to draw the most stable conformer for each…

A: Newman projections of the given compounds:

Q: 2. Assign the R or S configuration to each chiral center in the molecules below. CH2CH,Br CH3 .CO2H…

A: Every chiral center has specific configuration R or S .

Q: Which of the statements below correctly describes the chair conformations of…

A: Please find your solution below : Conformations in chemistry are the number of spatial arrangement…

Q: CH3 H3C- H2 Нас — с—снз H3C-c-CH Нас —с —сн i. ii. CH3 iii.

A:

Q: hsidering structures below, which of the following statements is true? 유 1 H-C-O-CH₂2 CH₂OH ||…

A: we have to identify the correct statement with respect to the given structures

Q: Starting from the structure below (sighting down the indicated bond). rotate the back carbon to…

A: Given: To find: eclipse conformer of the structure by rotating the back carbon.

Q: 2. Establish the relationship (enantiomers, diastereomers, isomers, different) between the following…

A: Introduction: We have to tell the relation between A, B and C.

Q: ,CH3 CH3CHĆH CH2B. BI 6. For the compound projections for the following angles of rotation of C2…

A: Newman projections are representation of a 3D molecule on a 2D paper.  In this projection, a…

Q: Propose a mechanism for the following reaction:

A: Solution : Given reaction involves the formation of an enolate ion.

Q: 1. Calculate the number of elements of unsaturation implied by the molecular formula: а. СэН12 b.…

A: Since you have asked multiple question, we will solve the first question for you. Kindly post the…

Q: (c) Rank the compounds in each group in order of decreasing ^max : (i) -CH=CH- CH=CH2 CH3 (ii) CH3…

A:

Q: Consider the substituted cyclohexane shown in the ball-and-stick model. (See attached) Are the…

A: The substituents on C2 and C4 cis to eachother or trans to eachother has to be given.

Q: 2. Name the following compounds according to the (new) IUPAC nomenciature rules. ce (a) CH3 (b> H Br…

A: According to the IUPAC nomenclature rule, we have to name the given compounds.

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.