NMR Spectroscopy

Identify which of the following nuclei will have an overall spin.

Select ALL correct options

• ¹⁶O

• ¹H

• ¹³C

• ²¹Ne

• ¹⁷O

Tags

NGSS.HS-PS1-8

Identify which of the following nuclei will be NMR active.

Select ALL correct options

• ¹²C

• ⁴⁰Ca

• ¹³C

• ¹⁵N

• ²⁹Si

Tags

NGSS.HS-PS1-8

When the electron density around an atom is drawn away by more electronegative atoms.

• This is called shielding

• This is called deshielding

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When the electron density around an atom is concentrated around that atom.

• This is called shielding

• This is called deshielding

Identify which of these carbon atoms experiences the most shielding

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• 
• 
• 

Tags

NGSS.HS-PS1-1

Identify the best definition for the chemical environment.

• The reactivity of the atom

• The signal produced in NMR spectrum

• The solvent used to dissolve the sample

• The groups bound to an atom

Select the best definition for the chemical shift of a carbon NMR signal.

• The position of the peak relative to the TMS peak

• How many different chemicals the peak represent

• The different types of bonds in the molecule

• The number of Carbon atoms in the environment

Identify which carbon atom in this molecule is the most deshielded.

• 1

• 2

• 3

• 4

Identify which carbon atom in this molecule is the most shielded.

• 1

• 2

• 3

• 4

Identify which carbon atom in this molecule is the most deshielded.

• 1

• 2

• 3

• 4

• 5