A) तिगुनी हो जाती है
B) दोगुनी हो जाती है
C) आधी हो जाती है
D) अपरिवर्तित रहती है
सही उत्तर: B
शून्य कोटि की अर्ध-आयु
$ {{t} _{1/2}}=\frac{[A _0]}{2K} $ $ {{t} _{1/2}}=\frac{[A _0]}{2K} $ $ {{t} _{1/2}} $ प्रारंभिक सांद्रता को दोगुना करने पर दोगुनी हो जाएगी।
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