What happens to base in aqueous solution

[monsieurwise]

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Which of the following is incorrect as to what happens to each base when they are in aqueous solution (attached image).
The answer is E.
I can't figure out why, I thought that's how they react in water?

 

[hurley]

.

 

[J777]

NaOH--> Na+ + OH-

Ba(OH)2--> Ba2+ + 2OH-

Notice the charges of the sodium and barium ions..

 

[monsieurwise]

NaOH--> Na+ + OH-

Ba(OH)2--> Ba2+ + 2OH-

Notice the charges of the sodium and barium ions..

Wow!! Wow!!! Why do they have to trick us like that??? Not cool!! Not cool!!
Thanks!!!