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3. What is the spatial orientation (E or 2) of the double bonds in the molecules...
Which of the following molecules contain at least one double bond that has E stereochemistry? Select all that apply. HC OH ОН Which of the following molecules contain at least one double bond that has Z stereochemistry? Select all that apply. HzC OH NH2
5. Please determine the double
bond stereochemistry for the following molecules. (a) A: E; B: E
(b) A: E; B: Z (c) A: Z; B: Z (d) A: Z; B: E 6. What would be the
final major product (or products) of the following reaction
sequence? Consider substitution pathways, only. (a) (b) (c) (d) (e)
an equal mixture of (c) and (d) would be isolated 7. What would be
the first step in the dehydration of an alcohol in sulfuric...
question 1,2 and 3
اولا Problem 1: Are the following alkenes circle the carbon-carbon double bond and clearly indicate if the alkene is cis, trans or neither? کہا کہ گا ) H CH3 C=C CHg H Problem 2: Use the labels E and Z to best describe the stereochemistry of the alkenes below. OH NH2 H2N OH Problem 3: Using IUPAC rules name the following molecules. لہ لہ مہم
Н NH2 OCH, A 00 с D E H H OH OCH, Z-I I F G H Enter the letter of the correct structure for each name given below. 1. propyl formate 2. propanamide 3. acetone 4. acetic acid
1 Determine the R/S orientation of the indicated chiral center(s) in the following molecules. If there is only one chiral center in the molecule, choose (none). H3C CH3 a Visited b H H3C Molecule #1 (B-thujene ): Center a: Center b: CH3 CH2 HO CH3 Molecule #2 ( rhodinol): Center a: Center b: CH3 OH CH, H3C CH3 H H H H CHE H H HO H CH3 H HO H 2-butanol OH CH3 CH a H b с The...
What statistical techniques were calculated to describe spatial orientation for the participants consuming low-and high-aspartame diets? Were these techniques appropriate? Provide rationale for your answer. (In the Lindseth et al., 2014 study)
Part A Consider the following molecules and the description of the bonding present in each: • CH3CH, CH, CH3 (C-C and C - H bonds only) • CH3CH2CH OH (C-C and C-H bonds, and one C - OH bond) CH3CH2CHO (C-C and C-H bonds, and one C = O bond) Based on the general trends of intermolecular forces, rank these molecules in order of increasing boiling point. OCH, CH CH CH3 <CH3CH,CH, OH <CHSCH CHO O CHỊCH CHỊCH = CHỊCH...
1. Why are double bonds and triple bonds shorter than single bonds? 2. VSEPR geometry predicts that the bond angles in formaldehyde (CH20), a trigonal planar molecule, will be 120° throughout all three angles. However, analysis showed that the H-C-H bond angle is slightly smaller at 116.5°, while the two H-C-O angles are slightly larger at 121.8°. Explain this difference in the predicted bond angle vs actual bond angle. 3. VSEPR geometry also predicts that the bond angles in tetrahedral molecules is...
Define the following molecules at E or Z. Please explain how and
why that is the answer!
2) Define the following molecules as E or Z. NH2 HO OH он
3. Nonpolar molecules that repel water molecules are said to be hydrophobic; molecules having ion-dipole interaction or that form a hydrogen bond with water molecules are said to be hydrophilic. For complicated organic compounds, we normally refer to the nonpolar end (with primarily C and H) as the hydrophobic end, and the region with the multiple polar functional groups (i.e., −OH and −NH2) as the hydrophilic end. Please determine the hydrophobic and hydrophilic ends for benzyl alcohol.