Consider the following equilibrium: 4fe(s) + 3 o2(g) < -- --> 2fe2o3(s); which of the following equations  is wrong? kp=kc(rt)-5kp= kc(rt)-3kp  = po2-3kc=[o2]-3

Answer : The wrong equation is,

Explanation :

The given equilibrium reaction is,

The expression for equilibrium constant in terms of concentration,

The expression for equilibrium constant in terms of pressure,

The relation between the equilibrium constant in terms of concentration and equilibrium constant in terms of pressure will be,

where,

= number of moles of gaseous products - number of moles of gaseous reactants

R = gas constant

T= temperature

For reaction the given reaction,

= number of moles of gaseous products - number of moles of gaseous reactants= 0 - 3 = -3

Therefore, the correct equations for equilibrium are, , and

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