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Which of the following technique is used to measure the number of conjugated double bonds and aromatic conjugation within the various molecules?

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in Engineering Chemistry I by (506k points)
Which of the following technique is used to measure the number of conjugated double bonds and aromatic conjugation within the various molecules?

(a) Fourier transform infrared

(b) Differential scanning calorimetry

(c) U/V Visible spectroscopy

(d) Thermo gravimetric analysis

This question was posed to me in an interview.

The origin of the question is Characterisation of Polymer Samples in chapter Polymers of Engineering Chemistry I

1 Answer

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Best answer
Right choice is (c) U/V Visible spectroscopy

Easy explanation: UV/ Visible spectroscopy is used to measure the number of conjugated double bonds and aromatic conjugation within the various molecules.

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