The Following Pictures Represent Solutions at Various Points in the Titration

question 146

Multiple Choice

The following pictures represent solutions at various points in the titration of a weak acid HA with aqueous KOH.Unshaded spheres represent H atoms,black spheres represent oxygen atoms,and shaded spheres represent A^- ions.(K⁺,H₃O⁺ initially present,OH^- initially present and solvent water molecules have been omitted for clarity) .
-Which picture represents the solution before the equivalence point?

• A)(1)
• B)(2)
• C)(3)
• D)(4)

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