WorksheetsNMR
Total questions: 10
Worksheet time: 8mins
full form of NMR spectroscopy s
Nuclear Magnetic Resonance
Nil Magnetic Resonance
Nuclear Magnet Resonance
Nuclear Magnetic Re
What is your name
Plants use these to carry food and water
xyllum
phloem
root
leaves
The following 13CNMR spectrum (CDCl3, 300 MHz) corresponds to...
Isopropanol
1-Propanol
Ethanol
Tert-butanol
13CNMR experiments usually require less amount of sample than 1HNMR experiments do
True
False
In a broad-band decoupling 13CNMR experiment, the peak intensity is usually increased by NOE effects allowing to improve the signal/noise ratio
True
False
Which of the following has three types of hydrogens in the following compounds?
Br-CH = CH2
CH3 – CH2 – CH3
C6H5CH2
CH3– CH2 – CH(CH3) – N02
Which of the following has three types of hydrogens in the following compounds?
Br-CH = CH2
CH3 – CH2 – CH3
C6H5CH2
CH3– CH2 – CH(CH3) – N02
In a 13CNMR experiment, 13C-13C couplings are negligible due to..
The very low 13C-13C coupling constants
The very low 13C natural abundance
The very low 12C natural abundance
