Question

Which ion is the only negative ion produced by an Arrhenius base in water?
(1) NO3– (3) OH–
(2) Cl– (4) H–

Answer 1

According to Arrhenius Theory of acids and bases, an Arrhenius base, when dissolving in water, produces the only negative ion: OH-. 

Therefore, (3) OH- is the correct answer.

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