Question

If the rate constant for a first order reaction is 0.693 s⁻¹, then half-life period will be​

Answer 1

Answer:

Explanation: 10min

Answer 2

Given info : the rate constant for a first order reaction is 0.693 s¯¹

To find : The half life period will be ...

solution : half life for first order reaction is given by, T½ = ln2/k = 0.693/k

where k is rate constant for the first order reaction.

here k = 0.693 s¯¹

so, T½ = 0.693/0.693 = 1 s

Therefore the half life period is 1 s for the given first order reaction.

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