Question

Compare the equilibrium constants for the systems shown in the table. Which favors products the most? Which favors products the least? Rank these systems in order from most to least in terms of favoring products rather than reactants.

A. D > B > A > C
B. C > A > B > D
C. B > C > D > A
D. A > D > C > B

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Answer 1

Solution :

⚛ Predicting the Extent of a Reaction :

• High value of equilibrium constant indicates that product(s) concentration is high and its low value indicates that concentration of product(s) in equilibrium mixure is loe.
• Large value of K (larger than about $10^3$), favour the products strongly.
• For intermediate value of K (approximately in the range of $10^{-3}$ to $10^3$), the concentrations of reactants and products are comparable.
• Small value of equilibrium constant (smaller than $10^{-3}$), favour the reactants strongly.

✏ C favors products the most.

✏ D favors products the least.

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➡ Order of K (at 25°C) :

• C > A > B > D

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➡ Order of favoring products :

• C > A > B > D

Answer 2

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Plz Note The Following Info :

1. High value of equilibrium constant indicates that product(s) concentration is high and its low value indicates that concentration of product(s) in equilibrium mixure is low.

2. Large value of K (larger than about 10^3 favours the products strongly.

3. For intermediate values of K (approximately in the range of 10^{-3}1 to 10^3 the concentrations of reactants and products are comparable.

4. Small value of equilibrium constant (smaller than 10^{-3} favours the reactants strongly.

Hence we can conclude that C favors products the most and D favors products the least.

Order of K (at 25°C) :

C > A > B > D

Order of favoring products :

C > A > B > D