Question

Which of the following statements best explains the information we can gain from infrared spectroscopy? a)...

Which of the following statements best explains the information we can gain from infrared spectroscopy?

a) It allows us to determine the number of protons in a compound

b) It allows us to determine the presence and nature of a carbocation in the compound

c) It allows us to determine the kind of functional groups in a compound

d) It allows us to determine the presence and nature of a free radical in the compound

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Answer #1

answer : c) It allows us to determine the kind of functional groups in a compound

explanation : IR spectra main feature is to determine functional group

other options are not correct : reasons :

a) It allows us to determine the number of protons in a compound -----------------> NMR deals number of protos

b) It allows us to determine the presence and nature of a carbocation in the compound ----------> Mass spectra deals carbocation

d) It allows us to determine the presence and nature of a free radical in the compound ----------------> ESR spectroscopy deals free radicals (ESR = electron spin resonance spectroscopy)

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