WorksheetsMass Spectrometry
Total questions: 10
Worksheet time: 8mins
Which of the following spectroscopy would determine molecular weight of a compound?
UV-Visible
NMR
IR
Mass Spectrometry
Molecular ion is formed by the removal of electron from
Molecule of lowest IP
Molecule of highest IP
Molecule of highest electronegative
None of the above
The most abundant ion in the mass spectrum of the molecule is called
Molecular ion peak
Metastable ion peak
Base peak
Daughter ion peak
Hemolytic fission of covalent bond generates
Cation
Free radical
Anion
Ions
In which state of matter mass spectroscopy is being performed?
Solid
Liquid
Gaseous
Plasma
Separation of ions in mass spectrometer take place on the basis of which of the following?
Mass
Charge
Molecular weight
Mass to charge ratio
Which type of ionic species are allowed to pass through the slit and reach the collecting plate?
Negative ions of all masses
positive ions of the specific mass
Negative ions of the specific mass
Positive ions of all masses
What are the main criteria on which mass spectrometer used for?
Composition in sample
Relative mass of atoms
Concentration of elements in the sample
Properties of sample
Which species of the following is used to bombard with the sample for which mass spectroscopy has been performed?
Alpha particles
Neutrons
Electrons
Protons
What are the products of the collision between a high energy electron and methane in a mass spectrometer?
[CH4]-.
[CH4]-. + 2 e-
[CH4]+. + 2 e.
CH3- + H:-
