In a first order reaction, the concentration of the reactant is reduced to $1 / 8$ of the initial concentration in 75 minutes. The $\mathrm{t}_{1 / 2}$ of the reaction (in minutes) is $(\log 2=0.30, \log 3=0.47, \log 4=0.60)$

• A

  $60.2$
• B

  $50.2$
• Correct answer
  C

  $25.1$
• D

  $75.1$

Hence, the correct answer is option: 'C'.