Topic 7: Modern analytical techniques

Question 1

the molecular ion peak indicates

Answer 1

the species formed from the molecule by the loss of one electron

Question 2

fragmentation occurs when

Answer 2

the molecular ion breaks into smaller pieces

Question 3

the base peak indicates

Answer 3

the peak with the greatest abundance

Question 4

infrared radiation is

Answer 4

the part of the electromagnetic spectrum with frequencies below that of red light

Question 5

stretching occurs when

Answer 5

when a bond absorbs infrared radiation and uses it to alter the length of the bond

Question 6

the transmittance value in an infrared spectrum represents

Answer 6

the amount of radiation absorbed by a particular wavenumber

Question 7

the wavenumber of an infrared absorption represents

Answer 7

the frequency of infrared radiation absorbed by a particular bond in a molecule

Question 8

the intensity of an infrared absorption describes

Answer 8

the amount of infrared radiation absorbed