Study of the Weak-Acid Equilibrium: When adding ammonium chloride solution, the

Question

Study of the Weak-Acid Equilibrium: When adding ammonium chloride solution, the color of the equilibrium mixture changed from The color change indicated a shift in the point of equilibrium. In which direction did the equilibrium shift? (L) left (R) right Explain your answer to question 1 a. You should indicate which ion was added to or removed from the equilibrium mixture. When adding hydrochloric acid solution, the color of the equilibrium mixture changed from The color change indicated a shift in the point of equilibrium. In which direction did the equilibrium Explain your answer to question 2a. You should indicate which ion was added to or removed from the equilibrium mixture. When adding sodium hydroxide solution, the color of the equilibrium mixture changed from The color change indicated a shift in the point of equilibrium. In which direction did the equilibrium shift? (L) left (R) right Explain your answer to question 4a. You should indicate which ion was added to or removed from the equilibrium mixture. Upon cooling, the equilibrium mixture changed from Green -> Blue. In which direction is the

Explanation / Answer

1a>The equilibrium shifts to right

b.by the addition of Ammonium chloride the reactant concentration increses,then equilibrium shifts to right to attain equilibrim betwen reactants and products according to Le-chatliers principle.H3O+ is added.

2a)By the addition of HCl,reacts with ammonia to give ammonium ions,so the euilibrium shifts to left.

b(by the addition of HClthe product concentration icreases,results the reaction towars left.NH4+ ions are added

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