Question 3 ВА The most stable conformation of butane is: НЫС Ін нІсн, Н, Сн “н...
The least stable conformation of butane is: H3C ICH3 Ito H2C1 H3C СНа CH3 сн. H1 CH2 H TH H
Not yet answered Marked out of 3.00 P Flag question Which is the most stable conformation of butane? Select one: CH3 Н. H Оа. H I CH3 CH3 H CH3 O b. H H H Ր
Rank conformations bcd from most stable to least stable (most stable first) DUH ΤΗ HH Conformation A Question 2 (1.5 pts] Rank conformations B, C and D from most stable to least stable (most stable first C(CH.CH2CH3)3 CH(CH3)2 X H H H HH А Conformation B Conformation C Conformation D Question 3 (1.5 pts) Which one of the following statements about structure E is correct?
QUESTION 18 Which of the following repente react with 2.butyne to form (7) bune! 1. H/Lindlar catalyst 2. BH3: followed by CH3COOH N/NH Only only only 3 only 1 and 2 QUESTION 19 In which of these Lewis structures would the sulfur be assigned a formal charge of +17 che CHE CH-S-6: CH, -- CHE --- 1 2 1 2 3 QUESTION 20 Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane? CH сн. CH CH...
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...
Which Newman projection represents the most stable conformation of (CH),CHCH(CH)2? CH3 CH3 СCH3 (B) (A) CH3 H CH3 "СHз CHз CH3 CH3 н CH3 (D) (C) H. tCH3 CH3 CH3 Н Н CH3 CH3
9. Rank the conformers of butane in order of decreasing stability, putting the most stable first. Н. CH3 H ac CH3 H CH3 CH3 HCH TH ΣΕΗ CH, HYH H HHHH н CH, I A) B) IV>I>II> III IV > I > III > II C) D) II > III >I> IV I>IV > II > III 10. Which of the following chair conformations represents trans-1,3-dimethylcyclohexane? A) I B) II C III D IV 11. Which of the following chair...
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...
Select the most stable chair conformation for (1R,3S,5S)-1-chloro-3-isopropyl-5-methylcyclohexane. Select the most stable chair conformation for (1R,3S,5S)-1-chloro-3-isopropyl-5-methylcyclohexane Select the most stable chair conformation. CH(CH3)2 (1R,3S,5S)-1-chloro-3-isopropyl-5-methylcyclohexane Chair choices: CI CH CH3 CH3 (H3C)2HC CH(CH3)2 (H3C)2HC CH3 CH3 CH3 Cl CH(CH3)2 (H3C2HC (H3C)2HC
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