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Which of these is not true about zero order reaction a) concentration of the reaction does not change with time b)the concentration rate remains constant c)it is manmade and hence called pseudo zero order reaction d) the concentration rate changes e) the reaction is difficult to archive
Accepted Answer
The correct answer is D) the concentration rate changes. Here's why:
Zero-order reactions have a constant rate of reaction, meaning the concentration of the reactants decreases at a steady pace over time. This is because the rate is independent of the reactant concentration.
A) Concentration of the reaction does not change with time is incorrect. The concentration of reactants decreases over time in a zero-order reaction, just at a constant rate.
B) The concentration rate remains constant is correct. This is the defining characteristic of a zero-order reaction.
C) It is manmade and hence called a pseudo zero-order reaction is incorrect. While some reactions can exhibit pseudo zero-order kinetics under specific conditions, zero-order reactions are not inherently manmade. They can occur naturally.
E) The reaction is difficult to achieve is not a general characteristic. While some zero-order reactions can be difficult to achieve, it's not a universal truth.
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