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ORGANIC CHEMISTRY-STUDY GDE./SOL.MAN.
- For each of the following reactions predict whether the equilibrium lies predominantly to the left or to the right. Explain your prediction briefly. (a) HCO3(aq) + SO42(aq) CO32(aq) + HSO4(aq) (b) HSO4(aq) + CH3CO2(aq) SO42(aq) + CH3CO2H(aq) (c) [Co(H2O)6]2+(aq) + CH3CO2(aq) [Co(H2O)5(OH)]+(aq) + CH3CO2H(aq)arrow_forwardFor each of the following reactions, predict whether the equilibrium lies predominantly to the left or to the right. Explain your predictions briefly. (a) H2S(aq) + CO32(aq) HS(aq) + HCO3(aq) (b) HCN(aq) + SO42(aq) CN(aq) + HSO4(aq) (c) SO42(aq) + CH3CO2H(aq) HSO4(aq) + CH3CO2(aq)arrow_forwardIdentify the most acidic proton. A HO. B H C D OH D H.arrow_forward
- Acetic acid CH 3 CO 2 H has a lower acidity constant (K a) than HCl, a very strong acid. Compare what happens in the solution when adding acetic acid to water and HCl to water. Explain how the K has each acid is related to the concentration of protons at equilibrium.arrow_forwardg2arrow_forwardWhat is the Ka for each compound? Use a calculator when necessary. (See attached)arrow_forward
- Sodium benzoate is a salt of benzoic acid, C6H5COOH. A 0.15 M solution of this salt has a pOH a 5.31 at room temperature. A. Calculate the value for the equilibrium constant for the reaction: C6 H5COO- + H2O C6H5COOH + OH B. What is the Ka value for benzoic acid ? C. Benzoic acid has a low solubility in water. What is its molar solubility if a saturated solution has a pH of 2.83 at room temperature?arrow_forward1. For each acid-base reaction, label the acid, the base, the conjugate acid, and the conjugate base, and determine whether the equilibrium lies toward reactants (to the left) or toward products (to the right) ' a) b) d) H₂O OH + IZ Br Хон NH₂ H₂O OH HBr Xo NH3arrow_forwardConsider the weak acids, HCN and H 2CO 3. a. Which acid has the larger Ka? b. Which acid is stronger? c. Which acid has the stronger conjugate base? d. Which acid has the weaker conjugate base? e. When each acid is dissolved in water, for which acid does the equilibrium lie further to the right?arrow_forward
- Based on this acid-base reaction as written below, which of the following is correct about the roles of the species in the reaction? + NH2 H-C=C-H H-C=C? :NH3 K L M N O a. Mis the stronger acid than K O b. Nis the weaker base than L O c. Lis the weaker base than M O d. Kis the stronger acid than Narrow_forwardIdentify each species in the reaction: (CH3)3N(aq) + H2O(l) ⇌ (CH3)3NH+(aq) + OH-(aq) - A. B. C. D. (CH3)3N - A. B. C. D. H2O - A. B. C. D. (CH3)3NH+ - A. B. C. D. OH- A. Conjugate base B. Conjugate acid C. Base D. Acidarrow_forwardLabel each molecule according to increasing acidity with 1 as the weakest and 4 as the strongest based on their structure. Explain.arrow_forward
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