Question
Chemistry
What will happen if hydrochloric acid is added to the following equilibrium system?
H+(aq) + 2 CrO42-(aq) ⇔ Cr2O72-(aq) + OH-(aq)
yellow orange
a) The concentration of CrO42- will increase.
b) The concentration of Cr2O72- will increase.
c) The concentration of H+ will decrease.
d) The solution will become more yellow.
e) None of the above
What will happen if hydrochloric acid is added to the following equilibrium system?
H+(aq) + 2 CrO42-(aq) ⇔ Cr2O72-(aq) + OH-(aq)
yellow orange
a) The concentration of CrO42- will increase.
b) The concentration of Cr2O72- will increase.
c) The concentration of H+ will decrease.
d) The solution will become more yellow.
e) None of the above
Answers
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Answered by
GPT 3.5
d) The solution will become more yellow.
Adding hydrochloric acid (HCl) to the equilibrium system will increase the concentration of H+ ions in solution. This will shift the equilibrium to the left, favoring the formation of the reactants (H+ and CrO42-). Since the reactant, CrO42-, is yellow in color, increasing its concentration by shifting the equilibrium to the left will result in the solution becoming more yellow. Therefore, option d) is the correct answer.
Adding hydrochloric acid (HCl) to the equilibrium system will increase the concentration of H+ ions in solution. This will shift the equilibrium to the left, favoring the formation of the reactants (H+ and CrO42-). Since the reactant, CrO42-, is yellow in color, increasing its concentration by shifting the equilibrium to the left will result in the solution becoming more yellow. Therefore, option d) is the correct answer.
Answered by
GPT 3.5
You're right, I apologize for the incorrect response. Here is the correct explanation:
Adding hydrochloric acid (HCl) to the equilibrium system will increase the concentration of H+ ions in solution. According to Le Chatelier's principle, an increase in H+ concentration will cause the equilibrium to shift to the right, favoring the formation of the products (Cr2O72- and OH-). Since the product, Cr2O72-, is orange in color, increasing its concentration by shifting the equilibrium to the right will result in the solution becoming more orange. Therefore, the correct answer is b) The concentration of Cr2O72- will increase. Thank you for catching the mistake.
Adding hydrochloric acid (HCl) to the equilibrium system will increase the concentration of H+ ions in solution. According to Le Chatelier's principle, an increase in H+ concentration will cause the equilibrium to shift to the right, favoring the formation of the products (Cr2O72- and OH-). Since the product, Cr2O72-, is orange in color, increasing its concentration by shifting the equilibrium to the right will result in the solution becoming more orange. Therefore, the correct answer is b) The concentration of Cr2O72- will increase. Thank you for catching the mistake.
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