QUESTION 3 How many signals does the aldehyde O a Six ¹H-NMR signals and six 13C-NMR signals O b. Four ¹H-NMR signals and six 13C-NMR signals Oc Five ¹H-NMR signals and six 13C-NMR signals O d. Five ¹H-NMR signals and five 13C-NMR signals (CH3)3CCH₂CH₂CH₂CHO have in its ¹H-NMR and 13C-NMR spectra? QUESTION 4 How many unique proton environments are present in ethylcyclohexane? O a. Four proton environments Qb. Five proton environments Oc Nine proton environments O d. Six proton environments

HO OH EtOEt cat H2SO4

-NH CH3 m. Common

Help 100% 2 Tue 4: Public Health Ch x * HSC 258 - Major Projec X * Mind Tap - Cengage Lea X C The Illustration To The d=55750828934189288909969212&EISBN=9781305657571&id=1061392007&nbld%3D21... * O TO Q Search this co References Use the References to access important values if needed for this question. For the following reaction, 6.43 grams of sulfur dioxide are mixed with excess oxygen gas . The reaction yields 6.30 grams of sulfur trioxide . sulfur dioxide(g) + oxygen(g) sulfur trioxide(g) grams What is the ideal yield of sulfur trioxide? What is the percent yield for this reaction? Submit Answer

f) 1) 03 2) Zn, H₂O

NaH MeO i Br [C] THE D E C8H1002 A

Select the correct starting material for the reaction shown below: 1) MgBr 2) H3O+ work up OH

Please answer #4,5,6,7

Predict the MAJOR carbon-containing product(s) of each reaction. Show stereochemistry where applicable and draw out ALL stereoisomers that are formed as MAJOR products. Assume all reagents are in excess. yul i) LIAIH4 ii) H30* H.