The activation energy of a reaction whose rate constt. is trippled by 10 degree C rise in temp. in the vicinity of 22 degree C is

a) 82.18 J/mol

b) 82.18KK|J/mol

c) 65.9 kJ/mol

d) 30 kJ/mol

82.18kj/mol

logk2/k1=Ea/R*2.303(T2-T1/T1T2)

log3k/k=Ea/8.314*2.303(10/295*305)                change d temp to kelvin scale

Ea= 2.303*8.314*295*305*0.477/10

Ea=82175.84J/Mol

Ea=82.18KJ/Mol