Concept explainers
Interpretation:
The compound that gives the given
Concept Introduction:
NMR spectroscopy:
It is the study of the interaction between
Chemical shift: The frequency of the proton signal in the spectrum with reference to the standard compound which may be TMS(Tetramethylsilane) shows signal at 0 ppm(parts per million).
Integration value (I): The integration value at the bottom of the
Chemical shift values for protons in different electronic environment
Types of protons | Chemical shift |
Methyl | |
methylene | |
Methine | |
Allylic | |
Alkynyl | |
Aromatic methyl | |
Alkyl halide |
Alcohol | |
Vinyl |
Aryl | |
Aldehyde | |
carboxylic |

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Chapter 15 Solutions
ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.)
- A mixture of C7H12O2, C9H9OCl, biphenyl and acetone was put together in a gas chromatography tube. Please decide from the GC resutls which correspond to the peak for C7,C9 and biphenyl and explain the reasoning based on GC results. Eliminate unnecessary peaks from Gas Chromatography results.arrow_forwardIs the molecule chiral, meso, or achiral? CI .CH3 H₂C CIarrow_forwardPLEASE HELP ! URGENT!arrow_forward
- Identify priority of the substituents: CH3arrow_forwardHow many chiral carbons are in the molecule? OH F CI Brarrow_forwardA mixture of three compounds Phen-A, Acet-B and Rin-C was analyzed using TLC with 1:9 ethanol: hexane as the mobile phase. The TLC plate showed three spots of R, 0.1 and 0.2 and 0.3. Which of the three compounds (Phen-A; Acet-B or Rin-C) would have the highest (Blank 1), middle (Blank 2) and lowest (Blank 3) spot respectively? 0 CH: 0 CH, 0 H.C OH H.CN OH Acet-B Rin-C phen-A A A <arrow_forward
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