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MCQ on IR spectroscopy: Page-6

Consider the following types of vibrational modes in IR spectroscopy.

(A) Q is symmetrical stretching

(B) P is symmetrical stretching

(C) P is rocking vibration

(D) Q is wagging vibration

2. How many vibrational modes are possible for HCl

(A) 0

(B) 1

(C) 2

(D) 3

Only stretching

3. Interferometer is present in

(A) AAS

(B) AES

(C) FTIR

(D) NMR

4. How many vibrational modes are possible for CCl 4

(A) 0

(B) 6

(C) 10

(D) 9

5. Which of the following region has more wavelength

(A) UV

(B) far UV

(C) near IR

(D) far IR

Far UV is also called as vacuum UV