The rate constant for a first order reaction is 4 . 606 × 10 − 3 s − 1 4.606×10-3 s-1. The time required to reduce 2.0 g of the reactant to 0.2 g is: 1. 200 s 2. 500 s 3. 1000 s 4. 100 s

 

 Question:  Explanations are 100% from NCERT | [Difficult level: Easy] From NCERT NEET 2020

The rate constant for a first order reaction is $4.606\times {10}^{-3}{s}^{-1}$. The time required to reduce 2.0 g of the reactant to 0.2 g is:

1. 200 s

2. 500 s

3. 1000 s

4. 100 s

Answer:2

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 Short Trick for chemical kinetics| Chemical Kinetics | First order reaction | first order kinetic

🤑Trick for order of reaction | Chemical kinetics