Definitions F

Question 1

Fingerprint Region

Answer 1

An area of an infrared spectrum below 1500 cm^-1

Question 2

First ionisation energy

Answer 2

The energy required to remove one electron from one atom in one mole of gaseous atoms of an element to form one mole of gaseous 1+ ions, X(g) —> X+ (g) + e-

Question 3

Fractional distillation

Answer 3

The separation of crude oil, a mixture of alkanes, by their different boiling points, which are determined by their chain length.

Question 4

Fragment ions

Answer 4

Ions formed from the breakdown of the molecule ion in a mass spectrometer

Question 5

Fragmentation

Answer 5

The process in the spectrometry that causes a positive ion to split into smaller pieces, one of which is a positive fragment ion

Question 6

Functional group

Answer 6

The part of the organic molecule responsible for its chemical reactions