4 public questions tagged with this topic.
70% completion means 30% remains, [R]/[R]₀ = 0.3, [R]₀/[R] ≈ 3.333. t = (2.303/0.0115) log 3.333 ≈ 105 min.
Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Rate of Reaction - Average and Instantaneous Rate and Rate Law
t = (2.303/0.0462) log 4 ≈ 30 min.
Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Order and Molecularity and Units of Rate Constant
t = (1/0.125 − 1/0.5)/0.08 = 75 s.
Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Integrated Rate Equations - Zero Order Reactions
1/[A] − 1/[A]₀ = kt → t = 150 min.
Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Integrated Rate Equations - Zero Order Reactions
