Rate constant \( = \,k\, = \,\frac{{a - x}}{t}\)
\(2\, \times \,{10^{ - 2}}\, = \,\frac{{a\, - \,0.5}}{{25}}\)
\(a\, - \,0.5\, = \,0.5\)
\(a\, = \,1.0\,M\)
$A\,\xrightarrow{{{K_1}}}\,B,$ સક્રિયકરણ ઊર્જા ; $Ea_1$
$A\,\xrightarrow{{{K_2}}}\,C,$ સક્રિયકરણ ઊર્જા $Ea_2$