Question

In: Chemistry

1. if a compound has a NMR resonance at 9.5 ppm , and an IR absorbance...

1. if a compound has a NMR resonance at 9.5 ppm , and an IR absorbance at 2550cm^-1, what functional group does the molecule contain?

a) ketone
b)alkyne
c)carboxylic acid
d)aldehyde
e)amine
f) nitrile

2. when examining an NMR spectra you see peaks between 7-8 ppm. Which of the following compounds would assume you were analyzing?

a) benzene
b) (e) 3-penten-2-one
c)2-cyclopropene-1-carboxylic acid
d) formylcyclohexane

Solutions

Expert Solution


Related Solutions

Identify the compound A (C5H10O) with the proton NMR spectrum shown. Compound A has IR absorptions...
Identify the compound A (C5H10O) with the proton NMR spectrum shown. Compound A has IR absorptions at 3200–3600 cm–1 (strong, broad), 1676 cm–1 (weak), and 965 cm–1, and also has 13C NMR absorptions (attached protons in parentheses) at δ 17.5 (3), δ 23.3 (3), δ 68.8 (1), δ 125.5 (1), and δ 135.5 (1). Compound A may be resolved into enantiomers; draw one molecule of A, omitting wedge/dash bonds.
Difference between Mass Spectrometry, Infrared spectroscopy(IR), & nuclear magnetic resonance spectroscopy(NMR)?
Difference between Mass Spectrometry, Infrared spectroscopy(IR), & nuclear magnetic resonance spectroscopy(NMR)?
Describe what is infrared (IR), nuclear magnetic resonance (NMR) and mass spectrometry (MS) and tell what...
Describe what is infrared (IR), nuclear magnetic resonance (NMR) and mass spectrometry (MS) and tell what chemical structure information can be determined from each.
An unknown compound (A), C10H12O, gave the following proton NMR data: (a) triplet, at 1.0 ppm...
An unknown compound (A), C10H12O, gave the following proton NMR data: (a) triplet, at 1.0 ppm (3H) (b) quartet, at 2.4 ppm (2H) (c) singlet, at 3.7 ppm (2H) (d) multiplet, at 7.2 ppm (5H) Propose a structure for (A).
Analyze the IR, 1H NMR, and 13C NMR for triphenylmethyl methyl ether
Analyze the IR, 1H NMR, and 13C NMR for triphenylmethyl methyl ether
For an NMR(Nuclear Magnetic Resonance) Spectroscopy (proton NMR), 1.What is meant by chemically equivalent protons? 2.What...
For an NMR(Nuclear Magnetic Resonance) Spectroscopy (proton NMR), 1.What is meant by chemically equivalent protons? 2.What is meant by chemical shift proton? 3.How can you tell whether two protons are chemically equivalent? Also, 4. Difference between enantiotopic, diastereotopic, and homotopic protons?
What are the IR and NMR spectral features of isoamyl acetate?
What are the IR and NMR spectral features of isoamyl acetate?
why would someone be curious about Nuclear Magnetic Resonance (NMR) and Magnetic Resonance Imaging (MRI)? and...
why would someone be curious about Nuclear Magnetic Resonance (NMR) and Magnetic Resonance Imaging (MRI)? and how is it related to modern physics?   
State the theory and explain how NMR and IR spectroscopy work.
State the theory and explain how NMR and IR spectroscopy work.
​Examine the IR below and classify the compound.
Examine the IR below and classify the compound.AlcoholAldehydeCarboxylic acidKetone
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT