In the relation, `K_(p)=K_(c)(RT)^(Deltan)` the value of `Deltan` is
A. number of moles of gaseous reactants-number of moles of gaseous products in a balanced equation
B. number of moles of gaseous products number of moles of gaseous reactants in a balanced equation
C. number of moles of gaseous products `xx` number of moles of gaseous reactants in a balanced equation
D. number of moles of gaseous reactants + number of moles of gaseous products in balanced equation
