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Which cyclohexane molecule would you consider to be the most stable? Н H -H Н Н...
3. Which cyclohexane molecule would you consider to be the most stable? a.2 b. 1 c. 4 d. 3 4. The molecules below are: a. meso compounds b. structural isomers c. dual comformers d. diastereomers І- н -H Н — - " Н -Н Н Н 2 3 Н 4 Н Н -Н Н - H CH2OH ООН ОН ОН ОН CH,OH HO HO H CH,OH T HO H
6. Rank these carbon radicals from most stable to least stable: H C H Н—с—н (X) (W) н C H (z) (Y) 4. The equilibrium constant (Kea) for the conversion of A to B is 12.4. Which substance, A or B, is present in the larger amount at equilibrium? Next, solve for AG and decide on the spontaneity of the conversion. В A 8. What make this a chiral molecule? O H2N CH C OH CH2 HN-
Cyclohexane: 1.Make a boat conformation. 2.Then a chair conformation In which case are the C-H bonds on neighboring carbons eclipsing the most? 3. In which case do the H atoms on C1 and C4 approach each other most closely? 4. Based on what you saw above, which will be the most stable conformation of cyclohexane? Draw both conformations
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
1. Draw the different conformations of cyclohexane and indicate which conformer is more stable and explain the reason why it is more stable. 2. Draw the saddle conformation of cyclohexane and indicate the axial and equatorial positions of the hydrogen atoms. 3. Identify the chiral carbon with an asterisk in the following molecule. Say how many stereoisomers you can have. CH3CH(OH)CH(Br)CH3
Which molecule has the shortest C-C bond? Select one: н Н а. C-C Н н Н н ob. н-с-с-Н н Н с. НЕСЕСЕН Not yet answered Marked out of 3.00 P Flag question Which one of the following compounds would have a specific rotation [a]p = 0 ? Br CH3 H -Br Н. -Br CH3 Br H CH3 -H Br CH3 H Br CH3 -Br -H CHE Br CH3 -Н -H CH,CHE a c d Select one: a. a b....
Question 3 ВА The most stable conformation of butane is: НЫС Ін нІсн, Н, Сн “н сан, нәсін HỌC | H CH3 CHE HT H TH ——-I2 Oa In Oь у > 2. -
Which is the most stable Newman projection of the molecule below, assuming a Br-CH3 gauche interaction is 0.5 kcal/mol and a CH3-CH3 gauche interaction is 1.0 kcal/mol? Br CH3 - CH- -CH 2 -CH3 CH3 CH3 CH3 H Н. Br Br H H H Br H H H CH3 Br сн. сн., H a. сн. c. H d. CH Oooooooo Moving to another question will save this response MacBook AS ese
NA afte. 9 Select the most stable conformation for trans-1-tert-butyl-3-methylcyclohexane. н D A 10. Which of the following compounds are optically active [will rotate plane polarized light (is chiral)]? CIL CI CI CI C/. CI A CI CI В D С 11. Rank absorption of the indicated bonds in decreasing (highest to lowest) wavenumber. II н x III a) III> II>I b) I> II III OH c) II>I> IlI d) III I> II но, но—н 12. How many stereocenters are...
Draw most stable chair form for the more stable stereoisomer for the molecule. All help is appreciated yclohexane Chair Practice 9. For each of the following do two things: A draw the most stable chair form for the more stable stereoisomer for the molecule B. identify whether the more stable stereoisomer is cis or trans. 7. 1-butyl-2-methylcyclohexane 8. 3-t-butyl-1-methylcyclohexane 9. 1,4-diethylcyclohexane C. For each of the following, do two things: A draw the most stable chair form over groups C...