For a first order reaction, the rate constant is 6.909 min-1 .The time taken for 75% conversion in minutes is ………
(a) \(\Big(\frac{3}{2}\Big)\) log 2
(b) \(\Big(\frac{3}{2}\Big)\) log 2
(c) \(\Big(\frac{3}{2}\Big)\) log \(\Big(\frac{3}{4}\Big)\)
(d) \(\Big(\frac{3}{2}\Big)\) log \(\Big(\frac{4}{3}\Big)\)