1.

\left. \begin{array} { l } { 0 ^ { - 4 } s } \\ { 0 ^ { - 1 } s } \end{array} \right.

Answer»

For first order reaction,

half life = ln2/k=> K = ln2/(t½) = 0.693/100 = 6.93 × 10-³per sec

option C



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