WorksheetsChemistry
Total questions: 20
Worksheet time: 10mins
Reference compound used in NMR
Silane
Trimethyl silane
Dimethyl silane
Tetramethyl silane
Radio frequency radiation associated with
NMR
IR
Mass spectroscopy
UV
Solvent commonly used in NMR
Chloroform
Methanol
Carbon tetrachloride
Acetone
Most intense peak in mass spectra
Base peak
Metastable ion peak
Fragment ion peak
Rearrangement ion peak
Reference electrode in potentiometry
Dropping mercury electrode
Saturated calomel electrode
Platinum electrode
Glass electrode
Removal of single electron results in formation of
Fragment ion
Metastable ion
Molecular ion
Rearrangement ion
Mostly used region in IR
Near IR
Mid IR
Far IR
Very far IR
IR spectrum used to determine
Molecular structure
Functional group
Number of protons
All of the above
Graph In IR spectrum
%T Vs frequency
%T Vs wave number
Abosorbance Vs wave number
Absorbance Vs wavelength
Solvent not used in IR
Chloroform
Carbon Tetrachloride
Carbon disulfide
Water
Detector not used in IR
Thermocouple
Photoconductive detector
Bolometer
Golay pneumatic detector
UV range in nm
200-400
400-800
300-700
250-300
Principle in paper chromatography
Adsorption
Absorption
Partition
Diffusion
Tesla is the unit of
Frequency
Pressure
Voltage
Magnetic field
Nitrogen estimated by
Kjeldahl method
Gasometry
Karl Fischer
None of the above
Indicator in complexometry
Acid base indicators
PM indicator
Colorimeter
Ph meter
Standard for standardisation of perchloric acid
Potassium hydrogen phathalate
Sodium carbonate
KBr
Oxalic acid
Principle in uv
Vibrational changes
Rotational changes
Electronic transitions
Kinetic energy changes
Source in UV
Deuterium
Tungsten
Nernst glower
Global source
Sample in UV made of
Glass
Quartz
Plastics
Silicon
