Sodium hydride is a source of hydride that can act as a... (select all that apply)...
Sodium borohydride is a source of hydride that can act as a... (select all that apply) ܦܢܝ ܝ ܙ H Strong base Strong nucleophile Weak base Weak nucleophile
Which of the following statements is NOT true? Select all that apply. Group of answer choices a. The concentration of H+ can be determined from the concentration of OH- and the Kw. b. An acid and its conjugate base differ only by one hydroxide ion c. An acid with a Ka > 1 is considered a weak acid d. The conjugate base of a strong acid will be a strong base e. Strong acids are expected to completely ionize in...
Draw a mechanism and predict the product for the reaction of sodium hydride (a source of hydride) with a carbonyl and following work up in water. NaH HO Rí R2
21. What are the characteristics of the carbonic acid-bicarbonate buffer system (select all that apply? a CO2 is eliminated by the lungs b. Neutralizes HCl acid to yield carbonic acid and salt c. H2CO3 formed by neutralization dissociates into H2O and CO2 d. Shifts H+ in and out of cell in exchange for other cations such as potassium and sodium e. Free basic radicals dissociate into ammonia and OH-, which combines with Ho to form water 22. What are characteristics...
NaOH can be classified as a Select one: a strong acid b. weak acid c. strong base d. weak base HCl can be classified as a Select one: a strong acid b. weak acid C. strong base d. weak base CH3NH2 can be classified as a Select one: a strong acid b. weak acid C. strong base d. weak base A substance that can act as either an acid or as a base is Select one: a. amphoteric b. mesomorphic...
Select all that apply. Which of the following solutions can act as a buffer solution? 0 KCN/HCN O Na2SONaHSO NHz/NH,NO, NaI/HI
Which of the functional groups can act as a hydrogen bond donor? Select all that apply Amide Aromatic ring Carboxylic acid Amine Alcohol Ester Ether Ketone
ndyla S Chapter 7 (Snl-Sn2-E1-E2) Revie w +Problems 1°Leaving group (example): Br React with the following reagents (Strong base /strong nucleophile) B) I, NC, Na (Strong nucleophile/ weak base) C) H (NaH or Ca) tBuO/tBuOH (Strong base/non- nucleophile) D) H:0, ROH, RCO2H Weak nucleophile/ very weak base- even acidie "Solvolysis" - type reactions P 2010 2° Leaving group (example): (sometimes "hindered") Ri React with the following reagents (Strong base / strong nucleophile) B) I, NC. N (Strong nucleophile/ weak base)...
The pH of an aqueous solution of the salt Na SO, (sodium sulfate) will a) be basic (because it is a weak acid-strong base salt) b) be acidic (because it is a strong acid-weak base salt) c) be neutral (because it is a strong acid-strong base salt) d) not be known (because it is a weak acid-weak base salt) e) no correct response
A urine pH test came back as normal with a pH of 6. What is true about this urine? Select all that apply. Check All That Apply It is a strong acid. It is a strong acid. It is a weak acid. It is a weak acid. It is a weak base. It is a weak base. It is a strong base. It is a strong base. It has more H+ ions than pure water. It has more H+ ions...