Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Chemical Sciences Structure Determination of Organic Compounds UV-Vis Spectroscopy
The molar extinction coefficient of B (MW = 180) is 4×103 lit mol–1 cm–1. One liter solution of C which contains 0.1358 g pharmaceutical preparation of B, shows an absorbance of 0.411 in a 1 cm quartz cell. The percentage (w/w) of B in the pharmaceutical preparation is
1
10.20
2
14.60
3
20.40
4
29.12