Give the characteristics of a strong acid. A) ionizes completely in aqueous solu
ID: 515196 • Letter: G
Question
Give the characteristics of a strong acid. A) ionizes completely in aqueous solutions B) has equilibrium far to the right C) has a polar bond D) has a weaker bond to hydrogen E) all of the above The stronger the acid, then which of the following is TRUE? A) the stronger the conjugate acid B) the stronger the conjugate base C) the weaker the conjugate base D) the weaker the conjugate acid E) none of the above Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25 degree C. The acid is followed by its K_a value. A) HF, 3.5 times 10^-4 B) HCN, 4.9 times 10^-10 C) HNO_2, 4.6 times 10^-4 D) HCHO_2, 1.8 times 10^-4 E)HClO_2, 1.1 times 10^-2 What is the pH of pure water at 40.0 degree C if the K_w at this temperature is 2.92 times 10^-14? A) 6.767 B) 0.465 C) 7.000 D) 7.233 E) 8.446 Calculate the concentration of H_3 O^+ in a solution that contains 5.5 times d 10^-5 M OH^- at 25 degree C Identify the solution as acidic, basic, or neutral. A) 1.8 times 10^-10 M, basic B) 1.8 times 10^-10 M. acidic C) 5.5 times 10^-10 M, neutral D)9.2 times 10^-1 M, acidic E) 9.2 times 10^-1 m, basic Calculate the concentration of OH^- in a solution that contains 3.9 times 10^-4 M H_3 O^+ at 25 degree C. Identify the solution as acidic, basic, or neutral. A) 2.6 times 10^-11 M, acidic B) 2.6 times 10^-11 M, basicExplanation / Answer
Answer to Question 7
Option (E) is the correct answer
strong acids are in equilibrium with their conjugate bases. but, the free energy of dissociation (ie. the Ka) is so high that for all practical purposes the acid is absolutely dissociated.
the stronger acid, has a greater tendency to give it is protons to H2O than H3O+ ions should give their protons to ClO4- ions. The equilibrium is displaced so far to the right that the reaction is largely whole.
As in a strong acid the bond is polar because there is large electronegative diffrence between the bonding atoms.
Has a weaker Hydrogen Bond because of electronegativity diffrence and smaller size of hydrogen which results in a weak bond.
so all the options are correct in the question.
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