Chemical Kinetics Question 143

Question: Diazonium salt decomposes as $ C_6H_5N_2^{+}C{l^{-}}\to C_6H_5Cl+N_2 $ At $ 0^{o}C $ , the evolution of $ N_2 $ becomes two times faster when the initial concentration of the salt is doubled. Therefore, it is [MNR 1994; UPSEAT 2002]

Options:

A) A first order reaction

B) A second order reaction

C) Independent of the initial concentration of the salt

D) A zero order reaction

Show Answer

Answer:

Correct Answer: A

Solution:

As doubling the initial conc. doubles the rate of reaction, order = 1.



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