Engineering Chemistry Electronic Spectroscopy Online Exam Quiz
Engineering Chemistry Electronic Spectroscopy GK Quiz. Question and Answers related to Engineering Chemistry Electronic Spectroscopy. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Electronic Spectroscopy
What will be the absorbance if %T = 80?
Options
A : 0.5
B : 0.05
C : 0.097
D : 0.97
What is the position of the band of alkanes?
Options
A : 190 nm
B : 185 nm
C : 217 nm
D : 150 nm
The electronic spectra in the visible range span is __________
Options
A : 25000-72000 cm-1
B : 25000-50000 cm-1
C : 12500-25000 cm-1
D : 15000-30000 cm-1
Which of the following organic compound shows transition due to conjugation?
Options
A : Alkenes
B : Saturated aliphatic ketones
C : Conjugated dienes
D : Alkanes
Which of the following is an application of electronic spectroscopy?
Options
A : Detection of impurities
B : Control of purification
C : Study of kinetics of the chemical reaction
D : All of the mentioned
Which of the following shift leads to the decreased intensity of absorption?
Options
A : Hypochromic
B : Hyperchromic
C : Hypsochromic
D : Bathochromic
Which of the following transitions are of weak intensities and lie in the visible region?
Options
A : n?n*
B : ???*
C : ???*
D : n??*
Arrange the various electronic transitions in the order of increasing energy.
Options
A : n??* < ???* < n??* < ???*
B : n??* < ???* < n??* < ???*
C : n??* < n??* < ???* < ???*
D : ???* < ???* < n??* < n??*
Which of the following is not an auxochrome group?
Options
A : –OH
B : –SH
C : –OR
D : –O2
Which of the following is a limitation of the Lambert-Beer’s law?
Options
A : Scattering of light due to particles
B : Fluorescence of sample
C : Non-monochromatic radiation
D : All of the mentioned
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