The concept of chemical equilibrium is very important. Which one of the following statements is the most correct way to think about equilibrium?
a. If a system is at equilibrium, nothing is happening
b. If a system is at equilibrium, the rate of the forward reaction is equal to the rate of the back reaction
c. If a system is at equilibrium, the product concentration is changing over time.
answer : b. If a system is at equilibrium, the rate of the forward reaction is equal to the rate of the back reaction
a ) this option is wrong . at equilibrium the system always in dynamic nature product converts into reactants and reactants converts into product . there ie no ceasing of the reaction at equilibrm
b) at equilibrium rate of forward reaction = rate of backward reaction
c) at equilibrium at physical properties are constant like concentration color density etc. no chaneg in the product concentration unless we apply extrnal conditions. so c ) option is also wron.
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