alleryIf K_c for a reaction is 4, the equilibrium constant for the reverse reaction is:
A4.00
B−4.0
C0.25
D16.0
Answer & Solution
Correct answer: C. 0.25
1. K_reverse = 1 / K_forward.
2. = 1 / 4 = 0.25.
3. Negative K is meaningless; squaring relates to doubling the equation, not reversing.
_Source: syllabus Chem Ch 7 §7.4 Reverse Reaction_
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