Drug X becomes ineffective after 50% decomposition. The original concentration of drug in a bottle was 16 mg / mL which becomes 4 mg / mL in 12 months. The expiry time of the drug in months is ______.
Assume that the decomposition of the drug follows first order kinetics

[JEE Main 2025, 29 Jan (Shift 2)]

Question

Drug X becomes ineffective after 50% decomposition. The original concentration of drug in a bottle was 16 mg / mL which becomes 4 mg / mL in 12 months. The expiry time of the drug in months is ______.
Assume that the decomposition of the drug follows first order kinetics

[JEE Main 2025, 29 Jan (Shift 2)]

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