Consider the three spectra of alkynes above to answer questions 19-223. 19. What

Question

Consider the three spectra of alkynes above to answer questions 19-223. 19. What is the wavenumber range (approx.) of the signal(s) that are pres Region of all of the alkyne IR spectra (but not the alkanes)? 20. What two types of bonds are present in alkynes but not hybridization of the carbons in the structure of the alkynes. alkanes? Hint - consider the 21. Match the two new signals from Q#19 to the appropriateb ond from Q#20. 22. Draw the structure of an alkyne that would not have one of the two bands discussed above. Explain. 23. The IR spectrum below has the nitrile functional group. Discuss the similarities between the alkyne and nitrile functional group. Identify the CEN absorption in the spectrum below. IR Spectrum of Isobutyronitrile 38

Explanation / Answer

May be question is incomplete as according to me above three structure of alkyne is missing .

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