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Que-2 a) A solution is a mixture of two components, A and B.
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Que-2 a) A solution is a mixture of two components, A and B. Absorbance 10 CO6

values of the mixture are recorded at two different wavelengths (l1 and l2)

by using a UV-Visible spectrophotometer of cell/path length of 1 cm. From

the data provided below, calculate the concentrations of A and B in the

mixture.

Wavelength

Absorbance

eA

eB

(nm)

(A)

(M-1cm-1)

(M-1cm-1)

l1

0.240

2000

100

l2

0.965

50

2400

(Show the mathematical steps involved in the calculations.)



b)              Two organic functional isomers (MW: 46 g/mole) contains only C, H and O in the wt. ratio of 4: 1: 2.67. One isomer contains an -OH functional group while the other has an -O- functional group. Identify these molecules. How can you discriminate these two isomeric molecules using FTIR spectroscopy?

qb2.PNG

qb2.PNG

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Subject: Chemistry, Science

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