Q. When Kc = 1 for a reaction at equilibrium, which statement is true?

जब संतुलन पर प्रतिक्रिया के लिए Kc = 1 होता है, तो कौन सा कथन सत्य है?

A
The reaction goes to completion
प्रतिक्रिया पूर्णता की ओर बढ़ती है
B
The concentrations of reactants and products are equal
अभिकारकों और उत्पादों की सांद्रता बराबर होती है
C
The reaction doesn't proceed
प्रतिक्रिया आगे नहीं बढ़ती
D
The forward reaction rate equals the reverse reaction rate
आगे की प्रतिक्रिया दर विपरीत प्रतिक्रिया दर के बराबर होती है

Explanation

When Kc = 1, it indicates that concentrations of reactants and products are balanced, and the system is at equilibrium.
At equilibrium, the rate of forward reaction = rate of reverse reaction, regardless of concentrations.

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