The Following Pictures Represent Equal Volumes of Aqueous Solutions of Three

question 125

Multiple Choice

The following pictures represent equal volumes of aqueous solutions of three acids HA (A = X,Y,or Z) ;water molecules have been omitted for clarity.
-Arrange the conjugate bases (A^- = X^-,Y^-,or Z^-) in order of increasing value of K_b.

• A)K_b(Z^-)< K_b(Y^-)< K_b(X^-)
• B)K_b(Y^-)< K_b(Z^-)< K_b(X^-)
• C)K_b(Z^-)< K_b(X^-)< K_b(Y^-)
• D)K_b(X^-)< K_b(Z^-)< K_b(Y^-)

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