Question

A first order reaction is 50% complete in $1.26 \times 10^{14}s.$ how much time would it take for 100% completion?

• A. $1.26 \times 10^{15}s$
• B. $2.52 \times 10^{14}s$
• C. $2.52 \times 10^{28}s$
• D. Infinite

Answer 1

Answer: (D)

Infinite

Answer 2

Reaction would be 100% complete only after infinite time which cannot be calculated.