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Which of the following statements is true? Choose all that apply. a) The OH- ion is...

Which of the following statements is true? Choose all that apply. a) The OH- ion is the basic species in the Arrhenius theory. b) All Brønsted-Lowry acids form a hydronium ion in aqueous solutions. c) All Brønsted-Lowry bases form a hydronium ion in aqueous solutions. d) Arrhenius bases are covalent compounds in the pure state. e) Arrhenius acids are ionic compounds in the pure state.

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Answer #1

According to Arrhenius Concept, Acids are compounds which dissolves in water to give H+ ions and Bases are compounds which dissolves in aqueous solution to give OH- ions.

According to Bronsted Lowry concept, Acids donate a proton while base accepts a proton i.e. H+ or Hydronium ion.

Thus, Correct options are:

a)  The OH- ion is the basic species in the Arrhenius theory.

b) All Brønsted-Lowry acids form a hydronium ion in aqueous solutions.

d) Arrhenius bases are covalent compounds in the pure state.

e) Arrhenius acids are ionic compounds in the pure state.

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