MEDIUM
AS and A Level
IMPORTANT
Earn 100
Explain why tetramethylsilane (TMS) is used as a standard in NMR spectroscopy.
Important Questions on Analytical Chemistry
MEDIUM
AS and A Level
IMPORTANT
For GLC separations explain:
How retention time is measured?
MEDIUM
AS and A Level
IMPORTANT
For GLC separations explain:
How the areas under the component peaks are used?
MEDIUM
AS and A Level
IMPORTANT
State what you can use as an approximate measure of the proportion of a component in a mixture from a GLC chromatogram which produces sharp peaks.
MEDIUM
AS and A Level
IMPORTANT
Explain why tetramethylsilane (TMS) is used as a standard in NMR spectroscopy.
MEDIUM
AS and A Level
IMPORTANT
Predict the number of peaks and the relative areas under each peak on the low-resolution proton NMR spectrum of methanol, .
MEDIUM
AS and A Level
IMPORTANT
Predict the number of peaks and the relative areas under each peak on the low-resolution proton NMR spectrum of benzene, .
MEDIUM
AS and A Level
IMPORTANT
Predict the number of peaks and the relative areas under each peak on the low-resolution proton NMR spectrum of chloroethane, .
MEDIUM
AS and A Level
IMPORTANT
Predict the number of peaks and the relative areas under each peak on the low-resolution proton NMR spectrum of propan--ol.
