50% completion of a first order reaction takes
place in 16 minutes. Then fraction that would
react in 32 minutes from the begining
2) 1/4
3) 1/8
4) 3/4
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Answer:
3/4 is the answer
Explanation:
The half time for the reaction is 16 minutes. You can directly use the formula of simplify it using mental arithmetic. Since the half time is 16 minutes it means half of the reaction is processed in these 16 minutes and the remaining half portion is left. If we take other 16 minutes now the 1/2 portion of mixture that has to be reacted will be completed only half. That means 1/4th would be completed. Hence 1/2 + 1/4 = 3/4th reaction had been completed in 32 minutes.
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