$A _{0} / A _{ t }$ at time $2\,min =?$
$K =\frac{2.303}{ t } \log \left[\frac{ A _{0}}{ A _{ t }}\right]$
$\frac{0 \cdot 693}{ t _{\frac{1}{2}}}=\frac{2 \cdot 303}{2} \log \left(\frac{ A _{0}}{ A _{ t }}\right)$
Or $\frac{2.303 \times 0.3010}{0.3010}=\frac{2.303}{2} \log \frac{ A _{0}}{ A _{ t }}$
$\log \frac{ A _{0}}{ A _{ t }}=2$
$\frac{ A _{0}}{ A _{ t }}=10^{2}=100$
ખોટું વિધાન ઓળખો.
$N_{2(g)} + 3H_{2(g)} \rightarrow 2NH_{3(g)}$ તો $\frac{d[NH_3]}{dt}$ અને $\frac{d[H_2]}{dt}$ વચ્ચેનો સમાનતાનો સંબંધ ............ થશે.
$(R = 8.314\, J \,mol^{-1}\, K^{-1})$