5. (2 points) Which of the following bonds in the structure below would have the largest frequency of vibration? HC: H₂C

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5 2 Points Which Of The Following Bonds In The Structure Below Would Have The Largest Frequency Of Vibration Hc H C 1 (25.56 KiB) Viewed 26 times

5 2 Points Which Of The Following Bonds In The Structure Below Would Have The Largest Frequency Of Vibration Hc H C 2 (31.76 KiB) Viewed 26 times

5. (2 points) Which of the following bonds in the structure below would have the largest frequency of vibration? HC: H₂C A. Csp-H B. Csp³-H C. O-H D. CC triple bond 6. (2 points) Which of the protons in the structure below would be the most deshielded? Hd Hb OH A. Hr B. Hb C. Hc Hc Hr
D. Hd 7. (2 points) Which of the following lons do you expect to be the largest (highest abundance) in an ES- MS (Mass Spectrometry) for the following structure? H₂C A. M-43 B. M-28 C. M-15 D. M' C. 2 A. 3 B. 4 8. (2 points) How many unique groups of hydrogens are there in the structure below? CH3 CH₂ CH₂ Signal Ha Hb Hc D. 6 12. (2 points) Which name corresponds to the structure describe by the NMR data listed in the chart below? ppm 1.2 2.0 4.1 A. ethyl ethanoate B. methyl propanoate C. 1-methoxypropane-2-one D. 1-ethoxyprop-1-yne splitting triplet singlet quartet integration 3H 3H S 2H