Chemical Kinetics Question 139

Question: Value of velocity constant for first order reaction is $ 3.46\times {10^{-3}}{{\min }^{-1}} $ , the time for half change is

Options:

A) 100 minutes

B) 400 minutes

C) 200 minutes

D) 346 minutes

Show Answer

Answer:

Correct Answer: C

Solution:

$ {t_{1/2}}=\frac{0.693}{k}=\frac{0.693}{3.46\times {10^{-3}}}=200,min $



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