Which bases can deprotonate acetylene? The pK, values of the conjugate acids are given in parentheses. Select all that apply. CH,CH, (pK, = 50) CH,CH,0¯ (pK, = 16) CH-CHCH2 (pКа - 43) o co (pK, = 10.2)
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- The Ka of acetic acid (CH3CO2H) is 1.8x10-5 and the Kb of methylamine (CH3NH2) is 4.4x10-4. Complete the following equilibrium reaction (acid-base reaction) equation and predict the side of the equilibrium that is favored. Explain. Show all your work.Experimental observations show that thiocyanate (SCN- ), the conjugate base of thiocyanic acid (pKa = 1.1 at 25 °C), is quite soluble in neutral water at pH > 2. In the space provided below, explain this experimental observation. That is, why does SCN– readily dissolve in water when the pH > 2?Write TRUE if the statement is correct and FALSE if the statement is wrong. Please answer them all Substitution reactions do not occur in aromatic rings because of pi-electron delocalization. The resulting iodinated aspirin has a higher Rf compared to aspirin after visualizing with ferric chloride. The mobile phase used in determining the Rf of the iodinated aspirin is 5% ethyl acetate in acetic acid. When isopropyl alcohol reacts with HCI, the resulting product is 2-chloropropane. In Fehling's test, the theoretical product after an aldehyde is mixed with Fehling's Solution is alcohol. lodoform, which has a molecular formula of CH3l, is indicative that a ketomethyl group is present. Based on the physical property, hydroquinone has a lower boiling point compared to catechol. Picric acid, being a phenolic compound, tests positive for the FeCl3 test. Nucleophilic molecules are electron-rich molecules that can "attack" electron-deficient molecules. When FeCl3 is used in visualizing…
- Draw the following functional groups including lone pairs of electrons. Predict the bond polarity of the functional group using partial positive and partial negative if applicable. Then, identify all nucleophilic and electrophilic sites (atoms) using your knowledge of bond polarity. * I only need help with nitrile, primary amine, alkyl chloride, and acid chloride!!!Given that Kb for ammonia is 1.8 * 10-5 and that for hydroxylamine is 1.1 * 10-8, which is the stronger base?A student was trying to treat an alcohol with PCC and when they took the IR below they wanted to see if the product had formed. What evidence supports the suspicions that the product did form?
- thank you, I would like to have a follow-up question. Would you get an answer of 4.05 pH if the value of your formic acid is 0.050 M while your sodium formate is 0.10 M? and still the same pKa which is 3.75?I want the sequence of the reaction to get to the target for number 3 thank u1.Explain why pyridine ( Kb=2.3x10-9) is a much stronger base than pyrrole (Kb=2.5x10-14), 2.Explain and illustrate, why it is difficult to perfom Friedel-Craft reactions on unactivated pyridine.
- Please help with the mechannismSHOW COMPLETE SOLUTIONS Q3. Which isolate has A260/280 ratio of above 2.0?Show the interconversion of the functional group and where the compound disconnects (show where the disconnection occurs). And show the donor synthone and acceptor synthone and the appropriate reagents for the compound