75 % of the first order reaction completed in 32 m i n . 50 % of the reaction was completed in

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Question: Answered & Verified by Expert

75 %

of the first order reaction completed in

32

m i n

.

50 %

of the reaction was completed in

ChemistryChemical KineticsNEET

Options:

A $24 m i n$
B $8 m i n$
C $16 m i n$
D $4 m i n$

Solution:

2655 Upvotes Verified Answer

The correct answer is:

16 m i n

for first order reactions

t_{75} = 2 \times t_{50}

t_{1 / 2} = \frac{32}{2} = 16 \min

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