MICROWAVE SPECTROSCOPY

CONDITION FOR THE MOLECULE TO BE MICROWAVE ACTIVE

• CHANGE IN DIPOLEMOMENT

• CHANGE IN POLARSIBILITY

• PERMANENT DIPOLE MOMENT

• ALL

Which of the following type of electromagnetic radiation has the most energy

• infrared

• ultraviolet

• microwaves

• radiowaves

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4

Which of the following molecules show microwave activity?

• H2

• CO2

• SF6

• CH3Cl

Tags

NGSS.HS-PS4-3

The rotational energy of a diatomic molecule in terms of wave number is

• $E_J\ =\ \frac{h^2}{8\pi^2I}J\left(J+1\right)$

• $E_J\ =\ \frac{h}{8\pi^2IC}J\left(J+1\right)$

• $E_J\ =\ \frac{h^2}{8\pi^2IC}J\left(J+1\right)$

• $E_J\ =\frac{h^2}{8\pi^2I}\ J\left(J+2\right)$

Tags

NGSS.HS-PS4-1

The wave number difference between successive rotational levels of a rigid diatomic molecule is

• 2B J

• BJ(J+1)

• 2BJ(J+1)

• 2BJ(J-1)

The various energy level of a rotational spectrum is given by

• 2B,6B,12B,_ _ _

• 2B,4B,6B,8B,….

• 0,2B,6B,12B,_ _ _

• 0,2B,4B,6B,8B,….

The different types of energies associated with a molecule are __________

• Vibrational energy

• electronic energy

• Rotational energy

• All of these

Molecules which are having _______ are microwave active.

• Dipole moment

• High pressure Detector

• Principle axis

• Acidity

The correct order of different types of energies is __________

• Eel >> Evib >> Erot

• Eel >> Erot >> Evib

• Evib >> Eel >> E rot

• None of these

Tags

NGSS.HS-PS3-2

The arrangement of various type of Electromagnetic radiation in the order of their

• wavelength,frequency

• Energy,velocity

• Speed,Rate

• None

Tags

NGSS.HS-PS4-1