2.5 pts Atrem 28 M Question 9 Shown below is the reaction between a nitrile and...
Question 15 2.5 pts What reagent is missing in the following reaction? CN Reagent CH3MgBr followed by H30+ DIBALH followed by H30* LIAIH4 followed by H2O cat. HCI and H20 Question 16 2.5 pts An unknown compound shows an infrared absorption around 2250 cm (medium intensity). What structural fragment could be causing this absorption? carbonyl O-H nitrile ON-H Previous Next Question 17 2.5 pts Which pair of compounds would be classified as tautomers? . ale Conto ud.& 11 IV Question...
please circle answer Shown below is the reaction between a nitrile and a Grignard reagent. What would be the first step in the mechanism? CN - 1. CH3MgBr 2. H307 Nucleophile attacks nitrile carbon Hydrolysis of the nitrile Protonate the nitrile nitrogen Base Beprotonates the alpha-carbon An unknown compound shows an infrared absorption around 2250 cm (medium intensity). What structural fragment could be causing this absorption? carbonyl OOH nitrile N-H NH 1. (CH3)2CHCOCI, pyridine 2. LIAIH4 3. H2O Product tertiary...
For the reaction shown below, what is the most likely intermediate after the first step? Question 8 5 pts For the reaction shown below, what is the most likely intermediate after the first step? BE Product NaOH Оо он сн. CH, 7
6. (9 pts) In regards to an electrophilic aromatic substitution reaction, define the 3 compounds shown below as either: a) Activating, ortho, para director b) Deactivating, ortho para director, c) Activating, meta director, d) Deactivating, meta director. CH -ОН -N-CH3 CH3 7. Answer a-c for compounds A-F below dos a. (5 pts) Which compound(s) have an aromatic carbocation intermediate if it underwent an Snl or E1 reaction? b. (5 pts) Which compound(s) would have an anti-aromatic carbocation intermediate if it...
D Question 23 6 pts What is the major organic product of the reaction shown? PBr; pyridine m PBr2 Question 24 6 pts What is the name of the functional group boxed in red in the molecule shown? a-D-glucopyranose Acetal Hemiacetal Hydrate Keta
Question 28 1 pts The limiting reagent for a given reaction can be recognized because it is the reagent that O would be used up first. O is present in the smallest molar quantity. O has the smallest mass in the reaction mixture. O has the smallest coefficient in the balanced equation for the reaction.
Question 9 1 pts In the reaction shown below, 6.33 mol of Zn react with 3.56 mol of O2. How much of the nonlimiting reactant is left after the reaction is complete? 2 Zn(s) + O2(9) -2 ZnO (s) Omol 0.39 mol 2.77 mol 3.56 mol 6.33 mol
Question 28 2.5 pts The relationship between an investment opportunity's risk and potential rate of return is inverse (i.e., fluctuates in opposite directions). True . False
1. Provide the products of the reaction below and a detailed reaction mechanism using curved arrows to indicate the movement of electrons. (a) (b) КОН (c) Note that formation of 4- or 7-membered rings is disfavored. Hiyo KOH acidie workup 2. An interesting problem that involves a bit of review (imines and Grignard chemistry) and application of what you previously learned to a new reaction: The Carbon of an imine functional group (i.e. R.C-NR) is sufficiently electron deficient to be...
Question 27 2.5 pts Two boxes are in an elevator as shown. The mass of the top box A is twice the mass of the bottom box. The elevator moves downward with increasing speed Cable Elevator 2 m m Increasing speed la a Let the normal force on the bottom box by the floor be one and the normal force on the top box by the bottom box be N. Which of the following correctly expresses Newton's second law for...