30- 25- 20- 15- 10- 3500 3000 2500 2000 1500 1000 Wavenumber (cm-1) 747 816 -384 1057 1122 -1338 -1486 -1573 -2369 -3054 Transmittance

Q: Identify the figure they are with mirror plane or without mirror plane. Figure 1 A- B- C-  How…

A: Chiral carbon- Chiral carbon is a carbon which contains four different groups attached with it.…

Q: Are the following combinations allowed ? If not, Show two ways to correct them. a) n=1, 2=0, mi =0…

A: There are mainly 4 quantum numbers  They are  Principal quantum number (n) Azimuthal quantum number…

Q: For each of the labelled chirality centers, determine the R or S configuration. Br H3C CH2CH3…

A: A carbon atom having 4 different substituents attached to itself is called a chiral carbon atom. The…

Q: Highlight in red the 1 prime carbons in this molecule. Highlight the 3 prime carbons in blue. 3…

A: Primary (1o) carbon: It is a type of carbon which is bonded to another carbon atom.Tertiary (3o)…

Q: The 13C nucleus never couples with the 'H nucleus. True False

A: we have the state the given statement is true or false

Q: What are the splitting pattern (singlet,doublet, doublet of doublets etc) for Br-CHCHCH2OCH3

A:

Q: Chrome File Edit View History Bookmarks Profiles Tab Window Help 74% C4) Wed 1:10 PM 10 Chem101 9…

A: Hydrocarbons having single bond are called alkanes. Hydrocarbons having double bonds are called…

Q: Based on the structure listed below, indicate the set of stretching frequencies that would be…

A: Here a organic compound is given we have to match it with its IR data.

Q: Identify /list IR signals that could be used to distinguish between the following pairs of compounds…

A: Infrared (IR) spectroscopy is a spectroscopic technique that can be used to distinguish two…

Q: Compound 1 has molecular formula C7H16. It shows three signals in the 1H-NMR spectrum, one at 0.85…

A:

Q: 27) For the structure below the number of proton NMR signals is (A) 2 (B) 3 (C)5 (D) 6 (E) 4 Br H на…

A:

Q: 89 80- 70- 60 50- 40- 30 20- 10- -0- -2+ 4000 3500 3064.69cm-1 3001.00cm-1 2954.74cm-1 3000 mmm…

A:

Q: Use the spectral information given below to derive a structural formula for unknown I. Its molecular…

A: DBE = (C+1)-H/2 = (8+1)-10/2 = 9-5 = 4  Hence, it is an aromatic compound( or Phenyl ring)   1H-NMR…

Q: Which carbon atom(s) of this molecule have diastereotopic hydrogen? O Br D< O. DO

A: These are chemically non equivalent protons that produce distinct chemical shift.

Q: Which is strong bp-bp repulsion or bp-lp repulsion?

A: According to Valence Shell Electron Pair Repulsion Theory, the shape or structure of a molecule is…

Q: Identify heterotopic atoms or groups in the following structures. Indicate whether the group is…

A: Heterotopic : After replacing one atom / group , if the molecule become chiral then it is…

Q: What functional groups might be present in this molecule? (Image attached)

A: IR spectroscopy is widely used to identify the functional groups present in a molecule. The IR…

Q: Highlight each chiral center in the following molecule. If there are none, then check the box under…

A:

Q: How many chiral C's does the following molecule have? H3C H H CH3 HO H3C

A: Given:

Q: SN? displacement of a chiral molecule occurs with inversion of configuration. A True B) False

A: The given statement is, SN² displacement of a chiral molecule occurs with inversion of…

Q: which molecule has a chiral carbon? 10 p H-C-H .C. H3C H. H. O Option 1 Option 2 H N-C-C он CH3…

A: Chiral carbon: The carbon which is attached to 4 different groups  Eg : The carbon atom in the…

Q: Indicate which of the highlighted groups are homotopic (H), enantiotopic (E), or diastereotopic (D)

A: Given Five molecules whose protons are to be distinguished as homotopic, enantiotopic and…

Q: Beside each spectrum, list the important IR absorbances and the type of bond causing each signal.…

A: The IR spectrum consist of a broad peak around 3300 cm-1 and peak around 2900 cm-1. absence of peak…

Q: Does the exclusion rule apply to C2H4?

A: The rule of mutual exclusion in molecular spectroscopy relates the observation of molecular…

Q: What is the stretching frequency (in cm¹1) of the following carbonyl? O H O 1685 O 1715 O 1745 ZI H

A:

Q: 8.- Provide the absolute configuration of the following molecule. t N CI N H H HN S Cloxacillin…

A: Nomenclature of Configuration is basically based on CIP Rule .According to it, after giving priority…

Q: Specify the absolute configuration of the stereocenter as R or S in the given molecule. Select the…

A: How to determine the absolute configuration R or S of the stereocenter in the molecule:1. Identify…

Q: TOPIC: POLARIMETRY INSTRUCTIONS: Solve for the observed optical rotation:

A: I am expressing how to calculate the reading of the polarimeter for optical rotation.   To make…

Q: What functional group and molecule can you get from its IR spectrum? Support your answer by…

A: A question based on IR spectroscopy that is to be accomplished.

Q: Rank carbons F-1 from lowest 13C chemical shift to highest. F G H

A: The number of signals in the carbon-13 spectrum is equal to the number of different types of carbon…

Q: se the spectral information given below to derive a structural formula for unknown II. Its olecular…

A:

Q: From this chromatogram, which of the following compounds is the MOST polar?

A: Both C18 and C8 columns are used in reverse phase chromatography.

Q: Identify the relationship between the labelled protons as homotopic, enantiotopic of diastereotopic…

A: Homotopic protons are those whose positions can be interchanged by rotation about the proper axis of…

Q: Spectrum #3: 4-methyl-2-pentanone 250 SAD naalden allen In 100 PPM

A: The question is based on organic spectroscopy. we need to sign different peaks to the carbon.

Q: Answer the following questions based on the structures of cis and trans 1,2- cyclohexanediols.…

A: 1 i. Ha and Hb are replaced by chlorine given enantiomers. Therefore Ha and Hb are enantiotopic. ii.…

Q: Define F–centre. Mention its one consequence.

A: Different types of defects are possible in solid state like Frenkel’s defect, schottky defect,…

Q: Starting from the left side moving to the right side of the molecule identify the chiral…

A: Rules to Prioritise substituents present at chiral centre according to Cahn -ingold prelog system…

Q: How many stereocentres are there in this molecule?

A: Stereogenic centers also called chiral centers in the organic molecule possess four different…

Q: 2. Determine absolute configuration (R or S) for the following compounds. Cl OH R S Br HO OH R S…

A: Absolute configuration is the spatial arrangement of atoms in a molecule.The absolute configuration…

Q: Identify the atomic groups with different functional groups within the same molecules.

A: A question based on IR spectroscopy, which is to be accomplished.

Q: What is the structure based on the HNMR?

A: Nuclear Magnetic Resonance (NMR) spectroscopy is an analytical chemistry technique used to deduce…

Q: A solution of a chiral compound was prepared by dissolving 15.67 g in 16.00 mL of solvent. The…

A: Given data: Observed rotation = 62.41° Path length = 1.00 dm Mass of compound = 15.67 g Volume of…

Q: - 3 J ☐ Counted 4 possible signals in 2-pentanone 2 3 Counted 3 possible signals in xylene Noted…

A: Step 1: Explanation: Number of signals = number of different types of H-atoms.H-atoms in different…

Q: CH2CH, CH-CH —ОН

A: The IR spectra gives the details about different types of functional groups present in a molecule by…

Q: Does the spectrum math the structure below?

A:

Q: For each of the following molecular structures, circle each of the stereocenters (if any) that the…

A: The stereocenters are also called as Chiral carbon centres . To be a chiral carbon or stereocenter ,…

Q: How would you draw a structure like (+-)hexane-3,4-diol?  What about (+)hexane-3,4-diol or…

A: + and - are symbols to show dextrorotatory and laevorotatory compounds, one rotate plane polarised…