Select the best description for the product of the following reaction. O(S)-configured Oracemic O achiral O...
QUESTION 36 Which would be the best substrate for a reaction that involves heterolysis? bromobenzene bromobutane 2-bromopropene benzyl bromide QUESTION 37 Which nitrile would form fastest in a substitution reaction of an alkyl tosylate with cyanide in a polar aprotic solvent 2-methylpentanenitrile 2.2-dimethylpentanenitrile pentanenitrile 3-methylpentanenitrile QUESTION 38 QUESTION 38 Which compound would have an odd molecular ion peak in the mass spectrum? O trichloromethane 1.1.2-trifluoroethanol ethylene oxide butan-2-amine QUESTION 39 How many products would result from the benzyne reaction (Na/NH3)...
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....
Select the best description of the major product(s) formed from the following reaction. 1. Hg(OAc)2, H20 2. NaBH4, NaOH А. а single achiral compound B. a pair of enantiomers С. а D. the R enantiomer E. the S enantiomer pair of diastereomers F. two constitutional isomers E ОА ОВ ос O F Enter Your Answer: D Incorrect Select the correct relationship between the following two structures. A. conformational isomers B constitutional isomers C. diastereomers D. enantiomers E. identical structures Enter...
QUESTION 22 Select the major product of the following reaction scheme: Reaction NaOH H H3C Acetone, EtOH 25 °C ora voda HEC B E OH O CHE нс нус CH F с H HC (No Reaction) CI CI ol. A oll. B o III.C IV.D .V. E o VI.F
QUESTION 1 For the following reaction, identify the 1,2-addition product. A) B) Br Br- Br + HBr C) D) Br ОООО С D 1 points QUESTION 2 Identify the product of the following reaction. + H,CO,C -CO,CH -CO,CH -CO_CH -CO,CH A CO,CH D) c) A) B) COACH CO,CH COCH, CO.CH B ОООО С D QUESTION 3 For (3E,5E)-octa-1,3,5,7-tetraene, shown below, how many of the a-molecular orbitals are bonding orbitals? 3 ОООО 6 PUS QUESTION 4 ОН ОН Which one of...
QUESTION 20 Select the major product of the following reaction scheme: Reaction H 1 eq. H2NCH, 2 eq NaBH 25 °C Etон 25 °C H2CO vo D -CHE -CH₂ H3CO H3CO. OH OH 00 m H H3C H₂C-NH OH F go н,со Moca O (No Reaction) ol. A o II. B o Ill.c o IV.D .V. E o VI.F
What is the major product of the reaction? HBr Select one: Br a. Br Br. O b. Br a C. Which polymer is formed from the following conditions? ||||| ROOR heat n a b Select one: 白。自 b.b C.C Which Fischer projection represents R-2-chloropentane? Select one: CH3 a. ci-to -CH2CH2CH3 H CH3 b. H+CH2CH2CH3 CI H C. H3C-CH2CH2CH3 CI CI d. Hgc +H CH2CH2CH3 What is the major product of the reaction below? ОН 1) LIAIHA 2) H20 Select one:...
Draw the major product of the following reaction. Question 9 Br O-CH3 H3C CH3 Create OscerSketch Answer 9 Draw the major product of the following reaction. Question 10 H3CH HO CH3 Create OscerSketch Answer 10
Part 2 Multiple Choice. Select the best answer for each of the questions below: 1. Which of these molecules is not an electrophile? a) CH4 b) CH3+ c) H* d) BF3 2. Which of these molecules is not a nucleophile ? a) NH3 b) OH c) CN d) H* 3. Water behaves as: a) a nucleophile b) an electrophile c) both d) neither 4. The SN2 reaction has how many steps? a) 1 b) 2 c) 3 d) 4 5....
Q: 8-11 Question 8 [1.6 pts] Which one of the following statements about Reaction #4 is correct? Reaction #4 1. NaSCH2CH3 2. H3o* O The minor organic product(s) arise from nucleophilic attack at carbon L O The minor organic product(s) arise from nucleophilic attack at carbon M O None of the above Question 9 [1.6 pts] Which one of the following statements about Reaction #5 is correct? Reaction #5 H2SO4, heat molecular sieves D Product P is the minor organic...