In a first order reaction x → y; if k is the rate constant and the initial concentration of the reactant x is 0.1 M, then, the half life is ……
(a) \(\Big(\frac{log2}{k}\Big)\)
(b) \(\Big(\frac{0.693}{(0.1)k}\Big)\)
(c) \(\Big(\frac{In2}{k}\Big)\)
(d) none of these