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The Following Reactions Are at Equilibrium

Question 52

Multiple Choice

The following reactions are at equilibrium. Beside each reaction is a change that is made to the system which may cause a shift in equilibrium. Which of the reactions will shift its equilibrium toward the products?


A) N2(g) + O2(g) The following reactions are at equilibrium. Beside each reaction is a change that is made to the system which may cause a shift in equilibrium. Which of the reactions will shift its equilibrium toward the products? A) N<sub>2</sub>(g) + O<sub>2</sub>(g) 2 NO(g)   the concentration of NO is increased B) PF<sub>5</sub>(g) PF<sub>3</sub>(g) + F<sub>2</sub>(g)   the concentration of F<sub>2</sub> is increased C) Cl<sub>2</sub>(g) + 3 F<sub>2</sub>(g) 2 ClF<sub>3</sub>(g)   the concentration of Cl<sub>2</sub> is decreased D) 2 SO<sub>3</sub>(g) 2 SO<sub>2</sub>(g) + O<sub>2</sub>(g)   the concentration of SO<sub>2</sub> is decreased E) none of these 2 NO(g)   the concentration of NO is increased
B) PF5(g) The following reactions are at equilibrium. Beside each reaction is a change that is made to the system which may cause a shift in equilibrium. Which of the reactions will shift its equilibrium toward the products? A) N<sub>2</sub>(g) + O<sub>2</sub>(g) 2 NO(g)   the concentration of NO is increased B) PF<sub>5</sub>(g) PF<sub>3</sub>(g) + F<sub>2</sub>(g)   the concentration of F<sub>2</sub> is increased C) Cl<sub>2</sub>(g) + 3 F<sub>2</sub>(g) 2 ClF<sub>3</sub>(g)   the concentration of Cl<sub>2</sub> is decreased D) 2 SO<sub>3</sub>(g) 2 SO<sub>2</sub>(g) + O<sub>2</sub>(g)   the concentration of SO<sub>2</sub> is decreased E) none of these PF3(g) + F2(g)   the concentration of F2 is increased
C) Cl2(g) + 3 F2(g) The following reactions are at equilibrium. Beside each reaction is a change that is made to the system which may cause a shift in equilibrium. Which of the reactions will shift its equilibrium toward the products? A) N<sub>2</sub>(g) + O<sub>2</sub>(g) 2 NO(g)   the concentration of NO is increased B) PF<sub>5</sub>(g) PF<sub>3</sub>(g) + F<sub>2</sub>(g)   the concentration of F<sub>2</sub> is increased C) Cl<sub>2</sub>(g) + 3 F<sub>2</sub>(g) 2 ClF<sub>3</sub>(g)   the concentration of Cl<sub>2</sub> is decreased D) 2 SO<sub>3</sub>(g) 2 SO<sub>2</sub>(g) + O<sub>2</sub>(g)   the concentration of SO<sub>2</sub> is decreased E) none of these 2 ClF3(g)   the concentration of Cl2 is decreased
D) 2 SO3(g) The following reactions are at equilibrium. Beside each reaction is a change that is made to the system which may cause a shift in equilibrium. Which of the reactions will shift its equilibrium toward the products? A) N<sub>2</sub>(g) + O<sub>2</sub>(g) 2 NO(g)   the concentration of NO is increased B) PF<sub>5</sub>(g) PF<sub>3</sub>(g) + F<sub>2</sub>(g)   the concentration of F<sub>2</sub> is increased C) Cl<sub>2</sub>(g) + 3 F<sub>2</sub>(g) 2 ClF<sub>3</sub>(g)   the concentration of Cl<sub>2</sub> is decreased D) 2 SO<sub>3</sub>(g) 2 SO<sub>2</sub>(g) + O<sub>2</sub>(g)   the concentration of SO<sub>2</sub> is decreased E) none of these 2 SO2(g) + O2(g)   the concentration of SO2 is decreased
E) none of these

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