Question
Calculate the number of normal modes of vibration for the following compounds:
- H2O
- CH4
- HBr
Answer :
Word Count : 386
_________ ____ _________ _______ _________ _________ _____ __________ ________ _____.
_______ __________ _____ ____ _____.
________ _____ _________ _____ ___ __________ ___ _______ ________ ______ ____ _____.
__________ ____ _______ _________ ____.
_____ _________ ________ _____ __________ ________ ______ ______.
________ __________ ________ _______ ___ ________ ______ _______ __________ ____.
_____ _______ _________ _____ ____ __________ ________ _________ _________ ___ ______ ______.
__________ ________ ___ ________ ________ _______ __________ _____.
_______ __________ _________ _____ _____ _________ _________ ________ __________.
____ __________ ___ ___ ____ __________ ___ ___ _________ ______ _______.
____ _______ ____ ________ ________.
___ ____ _____ ____ ________ __________ ______ ____ ____ ______ __________.
______ ___ _____ ________ __________ __________ _______ ____ __________ ________.
______ ____ ___ ___ __________ ___ _______ ________ ________.
___ ___ _______ _____ ______.
______ _____ ______ ____ ______ __________ ___ _______.
______ _________ _______ _______ _________.
____ ____ _________ _______ _______ ______ _________ _________ _____ ___ ____.
_______ ___ __________ _________ ______ __________ ______ ____.
_______ ______ _____ ____ _______ __________ _____ ______ __________ _______.
____ ________ ___ _________ ___ ______ ________ ______ ______ _______ ________.
__________ __________ ___ _________ ______ __________ _______.
______ __________ ________ _______ ________ _____ _____ ____ ________ ______ ______.
___ ____ ____ ______ ____ __________.
____ ________ ___ ___ _____ _____ ______ ___ _______ ___ _____ __________.
_____ __________ _________ __________ _____ _______ _____ ____ ____ ____ ____ ______.
__________ ___ _______ _____ _______ ____ ____.
_________ ______ __________ __________ ___.
_______ ________ _________ _____ _______ ____ ___ ________ _________ _____.
___ ___ ___ ___ __________ __________ _______ _________ _________ ______ _________.
_________ _____ ___ _________ _______ _____ ___ ________ ____ _________ ___ _______.
______ _____ _____ ______ _________ ________ ________ ____ ___ _____ _______.
__________ ______ _________ __________ ____ _______ ______ ______ _______ ________.
________ ____ ____ ____ _____ ________ ___.
____ ______ __________ __________ _________.
Skip in 10
i.
ii. In this molecule, there are a total of 5 atoms. It is a nonlinear molecule so There are
3(5)−6=9 vibrational modes in CH4.
iii.
Hydrogen Bromide, HBr
H-Br stretching
2439 cm-1
(IR intensity = 1.0)
(Raman active)
_________________________________________________________
Degree of freedom is the number of variables required to describe the motion of a particle completely. For an atom moving in 3-dimensional space, three coordinates are adequate so its degree
_______ __________ _____ ____ _____.
________ _____ _________ _____ ___ __________ ___ _______ ________ ______ ____ _____.
__________ ____ _______ _________ ____.
_____ _________ ________ _____ __________ ________ ______ ______.
________ __________ ________ _______ ___ ________ ______ _______ __________ ____.
_____ _______ _________ _____ ____ __________ ________ _________ _________ ___ ______ ______.
__________ ________ ___ ________ ________ _______ __________ _____.
_______ __________ _________ _____ _____ _________ _________ ________ __________.
____ __________ ___ ___ ____ __________ ___ ___ _________ ______ _______.
____ _______ ____ ________ ________.
___ ____ _____ ____ ________ __________ ______ ____ ____ ______ __________.
______ ___ _____ ________ __________ __________ _______ ____ __________ ________.
______ ____ ___ ___ __________ ___ _______ ________ ________.
___ ___ _______ _____ ______.
______ _____ ______ ____ ______ __________ ___ _______.
______ _________ _______ _______ _________.
____ ____ _________ _______ _______ ______ _________ _________ _____ ___ ____.
_______ ___ __________ _________ ______ __________ ______ ____.
_______ ______ _____ ____ _______ __________ _____ ______ __________ _______.
____ ________ ___ _________ ___ ______ ________ ______ ______ _______ ________.
__________ __________ ___ _________ ______ __________ _______.
______ __________ ________ _______ ________ _____ _____ ____ ________ ______ ______.
___ ____ ____ ______ ____ __________.
____ ________ ___ ___ _____ _____ ______ ___ _______ ___ _____ __________.
_____ __________ _________ __________ _____ _______ _____ ____ ____ ____ ____ ______.
__________ ___ _______ _____ _______ ____ ____.
_________ ______ __________ __________ ___.
_______ ________ _________ _____ _______ ____ ___ ________ _________ _____.
___ ___ ___ ___ __________ __________ _______ _________ _________ ______ _________.
_________ _____ ___ _________ _______ _____ ___ ________ ____ _________ ___ _______.
______ _____ _____ ______ _________ ________ ________ ____ ___ _____ _______.
__________ ______ _________ __________ ____ _______ ______ ______ _______ ________.
________ ____ ____ ____ _____ ________ ___.
____ ______ __________ __________ _________.
IGNOU ACADEMY
Your IGNOU journey, made easier.
- Solved Assignments
- Study Notes
- Guess Papers
- Question Papers
Continue Reading — It's Free
Sign in with Google to unlock more of this answer.
✓ Free access
✓ Unlock up to 60% of the answer
✓ No payment required
✓ Unlock up to 60% of the answer
✓ No payment required
Quick Google sign-in. No separate registration form.