Will the following compound show any optical activity if there is restricted rotation along the central C-C bond? What will happen to the optical activity at elevated temperatures as the rotation becomes less restricted? CH3 CI H Cl CH3

Q: The molecule shown below is a naturally occurring organic molecule that has antibiotic activity. How…

A: A chirality center is a carbon attached to four different atoms/groups.

Q: How many chirality centers are there in the following molecule? H;C CH; CH; 1 3 4

A: Chiral carbon: The sp3 hybridized carbon atom that is attached to the four different types of atoms…

Q: What is the configuration, Z or E, of each of the following double bonds? (a) Br (b) Н Br (c) H…

A: Given:

Q: Of the molecules shown below, how many are chiral? CH3 CH3 CH3 Br Br CH3 CH3 CH3 1 2 3 4 Em.. ..||

A: In chiral compounds, at least one chiral atom must be present and there should be four different…

Q: What is the total number of stereoisomers possible for the following compound? В -ОМе а) 2 b) 3 c) 4…

A: The given compound has 2 chiral centres. Now we know that for a given compound, the number of…

Q: Which of the following compounds is the least polar? A) CH3CH₂CH3 B) CH3CH₂OCH3 C) CH3CH₂COOH D)…

A:

Q: Which of the following molecules has an inversion center? CH4 SF6…

A: Center of inversion (i) is one of the symmetry elements. It depends upon the structure of the…

Q: Considering the rotation along C2-C3, which of the following compounds will have the highest…

A:

Q: butane has three energy minima with respect to rotation around the C2-C3 dihedral angle. Two minima…

A: The molecular structure of butane is as follows:                                 In the analysis of…

Q: Which of the following molecules would be chiral (has a mirror image) a) H b)…

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Q: Use the structures shown below to count the number of degrees of unsaturation for each molecule. он…

A: Degrees of unsaturation :-  The total number of rings and π bonds present in an organic molecule is…

Q: 3,4-Dimethylpent-1-ene has the formula CH2“CH¬CH(CH3)¬CH(CH3)2. When pure (R)-3,4-dimethylpent-1-ene…

A: Given: 3,4-Dimethylpent-1-ene has the formula CH2“CH¬CH(CH3)¬CH(CH3)2. When pure…

Q: Do the following compounds have the R or the S configuration?

A: R or the S configuration of given compounds Numbering priority is based on higher atomic number.

Q: 2. Identify the type of stereoisomerism in each of the following molecules and draw the stereoisomer…

A:

Q: The compound below is the active ingredient in Crestor, a widely-prescribed anti-cholesterol drug.…

A: Chiral centre of a molecule is defined as the centre or carbon due to which the molecule gives non…

Q: 39. Which of the following compounds has a plane of symmetry? g. 8. 8 & „CI "CI II II IV A) I and II…

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

Q: Chloramphenicol, a powerful antibiotic isolated in 1947 from the Streptomyces venezuelae bacterium,…

A: Chloramphenicol is a powerful antibiotic which was isolated in 1947 from the bacterium named…

Q: What is the configuration of the two chiral centers in the following molecule? CH H3C H H3c OH а.…

A: We have to find out the R,S configuration for the given molecule at chiral carbon which is at number…

Q: Determine the R and S configurations for the following compounds. (Check placement of lowest…

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

Q: Which of the following is the staggered conformation for rotation about the C1-C2 bond in the…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: 17. Assign the R/S configuration to each chiral center below. If you have difficulty, try building a…

A: According to R and S rules  If rotation clockwise -R  If anticlockwise -S If lowest position in out…

Q: HO NH2 OH OH

A:

Q: Which molecule produces the following plot of potential energy versus rotation of the C2-C3 bond?…

A: Our correct answer is Butane. Option b) butane   The graph below is explanation of their conformers:…

Q: What is the configuration of the two chiral centers on the following Fischer projection? A) 2R, 4R…

A: According to CIP rule the priority was taken, and now if we go 1 to 3 priority group if it is clock…

Q: Keppra (shown below) is a pharmaceutical used to treat seizures (epilepsy). How many asymmetric…

A: The asymmetric center is that carbon in the molecule or compound which is attached to 4 different…

Q: CH3 Br OH он CH3 CH2 H3C

A: Assign priorities to the groups attached to the chiral centre as per CIP rule(Cahn-Ingold-Prelog) If…

Q: 1. Which of the following is a chiral molecule? Encircle the substituents that make it chiral. H…

A: A. This is substituted allene. But in one side two H are present. That's why it is achiral.  B. It…

Q: Butaclamol is a potent antipsychotic that has been used clinically in the treatment of…

A: The asymmetric center is a stereocenter which arises to a compound if any atom is bonded to four…

Q: How many chiral centers are there in the following molecule (the naturally occurring stereoisomer is…

A:

Q: CH3 CH3 CH3 H3C CH3 CH3 H H CH3 Br I Br II III

A:

Q: 5. Which of the following structures has R,S configuration? Br CH(CH3)2 Br H3C CH3 2 3

A:

Q: CH3 c=c H H Br ČH3 I II III CH2CH3 CI CI H H IV V VI

A: Plane of symmetry

Q: Below are compounds used in medicine. Circle the chiral centers of each drug.

A: Chiral molecule is superposable on its mirror image.

Q: How many of the following molecules will rotate plane polarized light? H CH3 CH3 Me CH2CH3 H CH3…

A: Any compound which has a chiral center is optically active and will rotate the plane polarized…

Q: Br HN Assign the absolute configuration of the chiral centers indicated. 1 S 02=S 3 = R 1 =R 02 = S…

A: absolute configuration at chital centre 1=S absolute configuration at chital centre 2=S absolute…

Q: How many stereoisomers (count only carbon sp3 chiral centers) are there in cabergoline, a drug used…

A: we need to calculate the number of stereoisomers

Q: Identify the stereochemical configuration of this compound. SH CH3 R Os

A: In order to assign R and S configuration, we need to number the atoms connected to chiral center…

Q: Chloramphenicol is a broad-spectrum antibiotic that is particularly useful against typhoid fever.…

A:

Q: Calculate the barrier to rotation for each bond highlighted in red.

A: a.

Q: How many of the following molecules will rotate plane polarized light? H. CH, CH3 Me H. CH, CH,CH3…

A:

Q: 6. How many asymmetric centers does the compound shown below have? CH3 CI

A: Asymmetric centers  are atoms having spatial arrangements of atoms that are non-superimposable…

Q: Identify the number of stereoisomers expected for the following molecule. Br H3C H3C NH O 4 O 1 3.…

A: The  isomers which contain the  same constitution but different types of spatial arrangement of…

Q: 5) Which of the following compounds have an asymmetric center? A) CH3 B) CI -CI CH-CH; C) D) E) ÇI…

A: The chiral center or asymmetric center:If the molecule contains a carbon atom attached with four…

Q: Which of the following compounds have delocalized electrons? 1. CH₂=CHCH₂CH=CH₂ 4. 2.…

A: Delocalization of electrons are possible in the conjugated system whereas there is no delocalization…

Q: X What is the absolute configuration 0/4 of the chiral centers in the following compound? H OH 2 3…

A: The R/S scheme is a widely used nomenclature system for enantiomers. This method marks each chiral…

Q: 1) How many asymmetric centers does the following compound have? CH(CH3)2 H3Cmm H. I

A: Asymmetric carbon :-  A carbon which is bonded to four different atoms or groups is called…

Q: What is the stereochemical configuration of this compound? Numbering starts at the aldehydic carbon.…

A:

Q: draw the following compounds in the chair form. For each one flip the chair and indicate which one…

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Q: Mevacor is used clinically to lower serum cholesterol levels. How many asymmetric centers does…

A: Mevacor is used clinically to lower serum cholesterol levels. The number of asymmetric centers that…

Q: How many of the following molecules will rotate plane polarized light? H CH3 CH3 CH2CH3 Me H CH3…

A: the condition for the molecules to rotate the plane-polarized light is that the symmetry {plane of…