Question

15. In IR spectroscopy which frequency range is known as the
fingerprint region ?
1
(a)
1400-900 cm
(b) 667-1500 cm
- 1
(c) 900-600 cm
(d) 600-250 cm​

Answer 1

Answer:

15. In IR spectroscopy which frequency range is known as the

fingerprint region ?

1

(a)

1400-900 cm

(b) 667-1500 cm

- 1

(c) 900-600 cm

(d) 600-250 cm

Answer 2

Correct option :

(b) 667-1500 cm

- 1

Explanation:

IR spectrum can be used as a fingerprint for the purposes of comparing molecules, the 600 - 1400 cm-1 range is called the fingerprint region. This is normally a complex area showing many bands, frequently overlapping each other.