In which of the following solvents is it possible to create acetylide anions? A) CH_3CO_2H B)...
Which of the following anions is most basic? Which of the following anions is most basic? Question options: a) H2CCH– b) CH3– c) HCC – d) CH3CC– e) (CH3)3C –
With which of the following anions will the lithium ion form an insoluble salt? a) sulfate, SO42- b) carbonate, CO32- c) sulfate and carbonate d) chloride, Cl- e) none of the above
2. Match the solids that will be soluble with the solvents. (some solvents can be used more than once, some not at all); (5pts): NaCl A. Hexane Urea B. Toluene Benzoic Acid C. THE Naphthalene D. Ethyl Acetate E. Ethyl Alcohol F. Water
Identify the characteristics of polar protocols solvents and polar parotid solvents, and complete each sentence below. Select ALL options that correctly complete each sentence. Polar protic solvents Choose one or more: A. do not dissolve ionic compounds well. B. have a large dipole moment. C. have at least one H bonded to an N, O, or F D. can be hydrogen-bond acceptors. E. have an easily accessible 8+ charge. Part 2 (1 point) Polar aprotic solvents Choose one or more:...
Which ONE of the following amino acid anions do you expect to be the strongest base? Which ONE of the following amino acid anions do you expect to be the strongest A2 base? H2N H2N. H2N B) A) C) H2N N. HO D) E) IZ
Solid-state electrodes that respond to anions create a potential difference across the solid-state membrane by _______, which allows anions to migrate through the crystal. A. polishing the surface of the membrane crystal B. drilling small channels through the crystal C. doping the membrane crystal to create anion vacancies D. etching the surface of the membrane crystal with small grooves E. reacting the membrane crystal with a strong acid
of the following anions, which is the strongest base? A) I- B) CN- C) NO3- D) Br-
SOLUTIONS 22. Non-polar compounds are soluble in ionic compounds b) electrolytes c) polar solvents d) non-polar solvents 23. Which of the following would increase the solubility of gaseous O2 in water? (there is more than correct answer, mark them all!) Decreasing the temperature of the solution Increasing the temperature of the solution Decreasing the pressure of the solution Increasing the pressure of the solution 24. Which of the following describes an unsaturated solution? A solution that has less than the...
Which of the following solvents would potentially be suitable for extracting an organic compound from water? (You should be able to answer this question based on your general knowledge of organic solvents.) A. diethyl ether B. chloroform C. hexane D. ethanol E. acetone
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true? A) cations are larger than the neutral atom; anions are larger than the neutral atom B) cations are smaller than the neutral atom; anions are smaller than the neutral atom C) cations are larger than the neutral atom; anions are smaller than the neutral atom D) cations are smaller than the neutral atom; anions are larger than the...