Total ,12) te A owe lo ling to the beat anawer in the blank after each question

Question

Total ,12) te A owe lo ling to the beat anawer in the blank after each question equilibrium #1, "2, or both equilibria will apply to the next four euestions. H2O yellow orange Equilibrium #2 Baco.(s) pale yellow Ba2+(aq) yellow A few drops of HClen are added to a solution of NazCrog The solution is allowed to reach equilibrium Then, six more drops of HCken) are added. What will you observe when the second portion of HCI is added? 1. the solution will remain unchanged the solution will become more orange a precipitate will form the solution will become more yellow (a) (c) (d) 2. To the final solution in question 1, twelve drops of NaOHea) are added. What will you observe? (a) (b) (c) (d) the solution will become more yellow the solution will remain unchanged the solution will become more orange a precipitate will form

Explanation / Answer

2.When base is added to final solution in 1 then the OH- ions of base will combine with H+ ions of solution.This means the concentration of H+ ions will decrease that is the concentration of reactants will decrease or we can say the concentration of products increase.According to Le Chateliers principle the increase in concentration of reactants shifts the equilibrium towards product and decrease in concentration of reactants will shift the equilibrium towards reactants.And hence

a) option is correct

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