Half life period of a first order irreversible reaction A ‚Äö√ú – McqOptions

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1.	Half life period of a first order irreversible reaction A ‚Äö√ú√≠ B is#
A.	K/2
B.	Ln k/2
C.	Ln 2/k
D.	Ln 0.5/k
Answer» D. Ln 0.5/k

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