Question

vi. What is the half life of a first order reaction if time required to decrease concentration of reactant from 0.8 M to 0.2 M is 12 h?
a. 12 h
b. 3 h
c. 1.5 h
d. 6 h​

Answer 1

Answer:

it will be helpful to you

Answer 2

The 6h is the half life of a first order reaction if time required to decrease concentration of reactant from 0.8 M to 0.2 M is 12 h. so, option (d) is correct.

• The half-life period is nothing but the radioactive material is to be decaying over time.
• The half-life is the material has to decay half of the atomic nuclei.
• In this reaction, the half-life reaction is independent.
• There are many types of half-life reactions.
• The half-life reaction is the time required for the concentration to decrease to one-half of its initial value.
• The reaction is nothing, and the process is reacting with one or more reactants or elements which gives a new product which is may one or two products.
• The reaction is giving the combination or combined to provide the new reactants or products.
• There are many types of reactions present.
• Each reaction has to attain their work to give that product.

Therefore, The 6h is the half life of a first order reaction if time required to decrease concentration of reactant from 0.8 M to 0.2 M is 12 h. (d).

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