Assign the appropriate R/S and E/Z designations a indicated for the molecule below Η ○ PIIIIII...) Bri 3 1 2 HO

#9. Use the information provided below to find out the molecular formula and structure of the compound. QE-300 CDCl3 al Relative Intensity 100 80 60 40 20 +0 0-min 10 3454 #1 3456 57 2907 15 2944 20 2910 36 2879 50 TO ALLE 1 In 20 30 2716 81 2001 04 2438 1 2154 84 1991 84 1972 77 1733 4 1476 23 1470 25 1447 19 1421 16 1116 25 1160 9 40 50 1306 1270 1140 1022 9 974 27 657 25 76466 6 $ 60 m/z MENYERL 70 722 27 608 13 1900 80 90 100 110 120

(b) 0.23 MMgSO4 lons: SO2- O Mg2+ O4 O Mg* So+ O SO,2- masscation i massanion %3D

You measured the carbon-carbon bond lengths of four different compounds in Experiment 8 (Molecular Modeling and IR spectroscopy). Which of the following compounds has the shortest average C-C bond length? Benzene Cyclohexene Cyclohexane O Cyclohexadiene Which of the following statement(s) is(are) true? Select all that apply: When two atoms are bonded together, the distance between atoms is the same all the time. In the IR spectrum, carbonyl groups (C=O) have strong sharp peaks ranging from 1700 cm 1 to 1750 cm-1. When a molecule absorbs an IR radiation, electrons are excited within the molecule and each absorbed electron creates a band in the molecules IR spectrum. IR spectroscopy is useful in confirming the structure of the analyzed compound. Molecule N2 does not absorb IR radiation