Chemical Kinetics Question 175

Question: The rate for a first order reaction is 0.6932×102mol,l1min1 and the initial concentration of the reactants is 1M, T1/2 is equal to [JIPMER (Med.) 2001]

Options:

A) 6.932 min

B) 100 min

C) 0.6932×103 min

D) 0.6932×102 min

Show Answer

Answer:

Correct Answer: B

Solution:

r=k[reactant]1
k=0.693×1021 also t1/2=0.693k=0.6930.693×102=100,min .



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