Assume that an aqueous solution of hydroxide ion,OH^-,represented by unshaded spheres,is allowed to mix with a solution of an acid,H_nA,represented by gray spheres.Three possible outcomes are represented by boxes (a) -(c) ,where the black spheres represent Aⁿ^-,the anion of the acid.For clarity H₂O molecules are not shown.
-Which outcome corresponds to the reaction: H₃AsO₄ + 3 OH^- → 3 H₂O + AsO₄^3-?

Question

Assume that an aqueous solution of hydroxide ion,OH^-,represented by unshaded spheres,is allowed to mix with a solution of an acid,H_nA,represented by gray spheres.Three possible outcomes are represented by boxes (a) -(c) ,where the black spheres represent Aⁿ^-,the anion of the acid.For clarity H₂O molecules are not shown.

Assume that an aqueous solution of hydroxide ion,OH<sup>-</sup>,represented by unshaded spheres,is allowed to mix with a solution of an acid,H<sub>n</sub>A,represented by gray spheres.Three possible outcomes are represented by boxes (a) -(c) ,where the black spheres represent A<sup>n</sup><sup>-</sup>,the anion of the acid.For clarity H<sub>2</sub>O molecules are not shown. -Which outcome corresponds to the reaction: H<sub>3</sub>AsO<sub>4</sub> + 3 OH<sup>-</sup> → 3 H<sub>2</sub>O + AsO<sub>4</sub><sup>3-</sup>? A) box (a) B) box (b) C) box (c) D) None of these

-Which outcome corresponds to the reaction: H₃AsO₄ + 3 OH^- → 3 H₂O + AsO₄^3-?

Quizplus · Accepted Answer

The reaction shows the deprotonation of arsenic acid (H3AsO4) by hydroxide ions (OH-) to form water and the arsenate ion (AsO4^3-), which corresponds to box (a).

Assume That an Aqueous Solution of Hydroxide Ion,OH-,represented by Unshaded

Assume That an Aqueous Solution of Hydroxide Ion,OH^-,represented by Unshaded