Question :
The reaction: A → B follows first order kinetics. The time taken for 0.8 mol of A to produce 0.6 mol of B is 1 hour. What is the time taken for conversion of 0.9 mol of A to produce 0.675 mol of B?
1. 0.5 hour
2. 2 hour
3. 0.25 hour
4. 1 hour
Answer :
4 - 1 hour
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