AS IR Spectroscopy

What does a sharp, narrow peak at 1750cm^-1 tell us on an IR spectra?

• N-H

• C=O

• O-H

• C-H

What is the effect of decreasing pressure?

• No effect

• Moves to left hand side

• Moves to right hand side

• Explodes

Enthalpy change of neutralisation, 1 mole of what?

• Reactant used, acid

• Reactant used, alkali

• Product made, salt

• Product made, water

How many Pi bonds in ethene?

• 1

• 9

• 5

• 4

Which part (fragment) does an mass spectrometer detect?

• radical

• ion

• quarks

• lion