JEE Main 2026 Chemistry question
Sucrose hydrolyses in acidic medium into glucose and fructose by first order rate law with t₁/₂=3 hour. The percentage of sucrose remaining after 6 hours is . (Nearest integer) (Given: log 2=0.3010 and log 3=0.4771)
Answer: 25
Solution
6 hours is two half-lives, so the fraction remaining is (1/2)²=25%.