Question

The half-life period for a zero-order reaction A→ product is *

(a) 0.693/k

(b) 2k/[R] ₒ

(c) 2.303/k

(d) [R] ₒ /2k​

Answer 1

Explanation:

d option is correct

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Answer 2

The half-life period for a zero-order reaction A→ product is$t1/2 =[R_{0}]/2k$

Explanation:

• For a zero-order reaction, the half-life period is directly proportional to the initial concentration.
• For a zero-order reaction, the mathematical expression that can be employed to determine the half-life is: $t1/2 =[R_{0}]/2k$
• The half-life of a reaction is the "time required for a reactant to reach one-half its initial concentration or pressure".
• Zero-order reactions are found in a material that is required for the reaction to proceed, such as a surface or a catalyst, which is saturated by the reactants.
• The rate law for a zero-order reaction is rate = k, where k is the rate constant.