Question
Pharmaceutical Analysis Question on Ultraviolet-visible Spectrometry
What is the concentration of paracetamol in a 0.1 N sodium hydroxide solution, whose absorption in a 1 cm cell at its max, 257 nm, was found to be 0.825? The A (1%, 1 cm) in the IP monograph of paracetamol is given as 715 at 257 nm
A
1.1 g/100 ml
B
0.0011 mg/100 ml
C
0.0011 g/100 ml
D
0.0011 μg/100 ml
Answer
0.0011 g/100 ml
Explanation
Solution
The correct answer is option (C) : 0.0011 g/100 ml