Question

The half life period of first order reaction is 15 min. Its rate constant will be equal to ___________

(a) 0.0462 min^-1

(b) 0.462 min^-1

(c) 0.00462 min^-1

(d) 0.562 min^-1

This question was posed to me in an interview for internship.

I'm obligated to ask this question of Integrated Rate Equation and Half Lives in division Reaction Dynamics of Engineering Chemistry I

Answer 1

Right choice is (a) 0.0462 min^-1

Best explanation: k = 0.693/t1/2