Question

Calculate the half-life of a first order reaction from their rate constants given below:

(i) 200 s⁻¹ (ii) 2 min⁻¹ (iii) 4 years⁻¹

Answer 1

(i) Half life,

= 3.47 s (approximately)

(ii) Half life,

= 0.35 min (approximately)

(iii) Half life,

= 0.173 years (approximately)