Question normula is C13H16N202? hat 4 [1.6 pts) Compound A (C26H30) decolorizes

Question

Question normula is C13H16N202? hat 4 [1.6 pts) Compound A (C26H30) decolorizes a solution of bromine in CCL. Independent analysis shows compound A does not possess any phenyl rings. In the presence of Pt and excess H2 compound A undergoes conversion to compound B (C26H46). How many rings does compound A possess? Question pts) one of the following statements is correct O The absorption band due to a C-Mg bond occurs at er wavenumber than the absorption band due to a LiP bond absorption band due to a C-Mg nd occurs at a smaller wavenumber than the a b due to a L bond None of the above Question 6 [1.6 pts) what is the of radiation that has a frequency of 2.58 x 10'3 Hz? Please maximum number of significant figures th to final a then round to a whole number. Do not include units. Do not use scientific notation Question 7 1.6 pts) An NMR signal has been reported to occur 6780 Hz downfield from TMs. Given that the signals chemical shift is 11.3 ppm what is the operating frequency of the spectrometer (in MHz)? Please carry maximum number of significant figures through to final answer then round to a whole number, Do not include units. Do not use scientific notation Question 8 (1.6 pts) Which one of the following statements is correct? HD Ho is less shielded than proton Ho Proton Ho is more shielded than proton H a None of the above Page 1 of 2

Explanation / Answer

wavenumber = v/c

v = frequency = 2.58*10^13 Hz

c = velocity of light = 3*10^8 m/s

wavenumber = (2.58*10^13)/(3*10^8)

           = 86000 m-1

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