Which of the following is the highest energy conformer of 2,3- dimethylbutane? CH, нсн НАС CH3...
8. Which of the following is the lowest energy conformer of 2,3-dimethylbutane? н Сн, CH I AI B) II C) III D) IV CH3 H₃C HAC J CH₂ H HC CH₂ H C HC CH HC I 9. Which of the following cycloalkanes has the least angle strain? A) Cycloheptane B) Cyclopropane C) Cyclohexane D) Cyclobutane . . " 10. Which of the following chair conformations represents trans-1,4-dimethylcyclohexane?
34 Which of the following is the highest energy conformer of 2,3-dimethylbutane HCH, I M V Ho CH ) Ho Ho O Ho HC not A) 1 B) II C) III D) IV 35) - 35) Which of the following chair conformations represents trans-1,3-dimethylcyclohexane? " DIV" C) III B) II 36) Which of the following is the most stable conformation of cis-1-ethyl-3-isopropyleyclohexane? A) B) II 37) Select the most stable conformer of cis-1,3-cyclohexanediol HO dis-1,3-cyclohexanediol но Тон OH OH HO...
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...
CH3 CH2 CH CH Нас—С—С CH3 Spell out the full name of the compound Request Answer Submit Part D Interactive 3D display mode сн, —с—с—с—сн, н Н,с— Hа CH3
narizontal elie Same 22 Which molecule represents the chair-flipped conformer of the given compound? CH CHs CHsCH ring flip Нс" CH,CH CH CH CH снсH CH,CH CH-сн, CHyCH сHнсH нсн,с. CH CH) сH,сH сн, CHCH CHyCH CH IV ш V d. III IV a. e. II b. I c. V
3. CU Which is the major product for the following reaction? НАС -CH₃ + NaOH CH3 но но H₃ C CH₃ H₃C CH HO CH3 НАС, Хе " CH₂ CHE CHE
40) Circle the following conformers with the highest energy CH H.C CH H н.с H CHO CHy -H -CH н.с HI 41) Circle the following with the lowest energy conformer of 2,3-dimethybutane CH CH, HC HC. сH CH H HC HC нс CHy CH HC MC CHy 42) Circle the following with the most stable conformation of cis-1-ethyl-3 isopropylcyclohexane? IV Using<, rank the following alkanes in order of increasing boiling point 43) 40) Circle the following conformers with the highest...
Which of the following compounds contain any ionic bonds? Which compounds contain only covalent bonds? .C. CH2 Н.с OH2:CIE НаС -OI CN CI СH НС CH Н С—С НС. С — CH НС с С—С CHз н Н:Br: С—С Н Н H2 C. -CEC H2 .C. CH H3C CH ONa вi Br С "CHз с НС. -С Н2 :ZI нӧ: "сі: Н2 .C. CH Н2 C .CH3 Н,с Нас CH3 H3C C CH3
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...
predict the major product of the following reactions: H2, Pt E CH=CH2 CH3 d2 az но CH3 Hz Pd CH3 нс н с с н Сн, CHCl3 КОН 1. О, сна, 270, HOẶC