The rate constant for the decomposition of A is 2.45 times 10^-3 M s^-1. What wi

Question

The rate constant for the decomposition of A is 2.45 times 10^-3 M s^-1. What will Increase the Increasing the rate of the decomposition of A? (A) only I (B) only II (C) both I and II (D) neither I nor II Given the experimental data below, what is rate law? (A) rate = k [A] (B) rate = k [B] (C) rate = k [A] (B) (D) rate = k (A]^2J [B]^2 The half-life of carbon-14 is 5730 yr. What is the reaction order for the decomposition of carbon-14, and what is value of the rate constant? The decomposition of hydrogen peroxide can take place as shown In the following mechanism.

Explanation / Answer

(26)

(B) increase in temperature can increase the rate constant by increasing the number of collisions per second.

(27) (A) r = k [A]

As [A] is doubled rate is also doubled. and [B] is doulbed no channge in rate.

So, rate is first order w.r.t. A and zero order w.r.t. B

(28) (C) all radio active decay are first order and t = (ln2) / k

(29) (B)

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