Which of the following are aromatic?
Which of the following are aromatic? 1. Which of the following is/are aromatic compounds ? CH=CH...
Which of the following compounds is most acidic? І п ш у
5) Which of the following is the most stable carbocation (circle one)? CН C—CH, IV I. CH—С-СH СHз CHCH-8 П. CH3 -СH -CH3 V. CHз—C Ш. 6) Which of the following is the most stable diene (circlde one)? IV I. V. П. Ш.
Which of the following statements is true? Aromatic compounds do not react in radical halogenation as compared to aliphatic compounds Aromatic compounds have shorter C-C bonds than CH2=CH2 Aromatic compounds release more energy on combustion than aliphatic compounds do. Aromatic compounds release more energy per pi bond upon saturation than simple alkenes. Which is the correct synthesis of 6-methyl-3-heptanone from 3-methyl-1-butene? HB/ROOR, then Mg/ether, then propanal, then acid, then CrOz/H2SO4 HBr, then Mg/ether, then propanal, then acid, then CrOz/H2SO4 Acid...
which of the following compounds can be identified and
polycyclic aromatic compound?
Which of the following compounds can be identified and polycyclic aromatic compound? HN NH IZ Select one: 1.B 2.c 3.0 4. A
1. Name the following compounds: (10pts) Label the following compounds as AROMATIC, NON AROMATIC OR ANTIAROMATIC. (10pts) 2. OH
Which enantiomer is formed from attack of a methyl Grignard reagent on the si face of benzaldehyde? О- -H І он -CH IV. CH он он П. CHE H H ОН V. Ш -СН3 ОН H CH3
5) Which of the following compounds is hydrolyzed the slowest in aqueous NaOH? І п ш IV у E) II A) III B) I C) IV 6) 6) What is the major product when (CH3)2CHCH2CH2Br undergoes the following reaction sequence: (Step 1) Mg, ether (Step 2) CO2 (Step 3) H30+ A) 4-methyl-1-pentanol B) 2-methyl-2-butanol C) 4-methylpentanoic acid D) 3-methylbutanoic acid 7) Diisobutylaluminum hydride can be used to carry out which of the following conversions? A) aldehyde to carboxylic acid B)...
3) Which of the following is the most stable radical? І. CH2=CH IV. CH3CH Д. CH2=CHсн,сну V. CHECH- ш. Сн,снен, А) І В) І C) ШІ D) IV E) V
1. Determine which of the following compounds are aromatic or
antiaromatic. SHOW CALCULATIONS!
2. Provide the product and a stepwise mechanism for the
following reaction. Include all intermediates, resonance
structures, and electron pushing arrows.
1. (4 points) Determine which of the following compounds are aromatic or anti- aromatic. SHOW CALCULATIONS! 0: O NO 0: 2. (8 points) Provide the product and a stepwise mechanism for the following reaction. Include all intermediates, resonance structures, and electron pushing arrows. OHC CH3NH2 CI
Nil 1. Which of the following compounds is least reactive by electrophilic aromatic nitration or sulfonation? Briefly explain why. 2. Give the major product(s) of the following SpAr reactions. For an o-/p-director, show both products. If no reaction occurs, state why the reaction does not occur. CO,H HNO, H2SO4 +CH.CLAICH SOH Zn(Hg) AICI ? HỌC-CH-C-Cl + HCI/Heat CH3