The following pictures represent solutions at various stages in the titration of a weak diprotic acid H 2 A with aqueous KOH.Unshaded spheres represent H atoms,black spheres represent oxygen atoms,and shaded spheres represent A 2- ions.(K + ,H 3 O + initially present,OH - initially present and solvent water molecules have been omitted for clarity).
-Which picture represents the system with the highest pH?
A)(1)
B)(2)
C)(3)
D)(4)

Question

The following pictures represent solutions at various stages in the titration of a weak diprotic acid H 2 A with aqueous KOH.Unshaded spheres represent H atoms,black spheres represent oxygen atoms,and shaded spheres represent A 2- ions.(K + ,H 3 O + initially present,OH - initially present and solvent water molecules have been omitted for clarity). 
-Which picture represents the system with the highest pH?
A)(1) 
B)(2) 
C)(3) 
D)(4)

Quizplus · Accepted Answer

The pH scale ranges from 0 to 14, with 7 being neutral. Values below 7 are acidic, and values above 7 are basic (alkaline). The system with the highest pH would be the most basic or alkaline. Without seeing the pictures, we can't determine specifics, but the correct answer would be the one representing the most basic environment among the options given.

The Following Pictures Represent Solutions at Various Stages in the Titration