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Which of the following is a general method of preparing acids?


Question

Which of the following is a general method of preparing acids?

Options

A) Direct combination of constituent elements

B) Reaction between a base and an amphoteric oxide

C) Double decomposition involving a salt solution

D) Reaction between an anhydride and water

E) Dissolution of hydroxides followed by neutralization


The correct answer is A.


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Dicussion (1)

  • D is the correct anwser.
    Nonmetalic oxides ( anhydrides) dissolve in water to form their corresponding acids. Eg SO2(g), SO3(g), CO2(g) and NO2(g) dissolve in water to form aqueous solutions of H2SO3(aq), H2SO4(aq), H2CO3(aq) and HNO3(aq) acids.

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