The rate constants for two parallel reactions are found to be 10^-2 dm^3mol ^-1/s and 4x10^-2dm^3mol^-1/s. If the corresponding energies of activation of the parallel reactions of A--->B(k1) and A--->C(k2) are 100kJ /mol and 120kJ /mol respectively. What is the net energy of activation (Ea) of A.
a) 100 kJ /mol
b) 120kJ/mol
c)116kJ /mol
d) 220kJ/mol
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Insha 220 kilojoule my more is the correct answer
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