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Chapter 7: Problem 14

The statement which is true in respect of order of a reaction is (a) it is always a whole number (b) it is always a fraction (c) it may be zero, a whole number or a fraction (d) it can never be a fraction

Short Answer

Expert verified
The correct answer is (c): the order of a reaction may be zero, a whole number, or a fraction.

Step by step solution

01

Understand the Order of a Reaction

The order of a reaction is defined as the power to which its concentration term in the rate equation is raised. It is experimentally determined, and can be zero, a whole number, or a fraction.
02

Eliminate Incorrect Answers

Looking at options (a) and (b), those statements are not correct as the reaction order is not 'always' a whole number or a fraction. It could be, but it also could be zero. Therefore, these options can be eliminated as they are not inclusive of all possibility.
03

Choose the Correct Answer

In option (d), the statement is incorrect as the order of a reaction can indeed be a fraction in some cases. Therefore, option (c) is the correct answer because it correctly includes all possibilities: the order of a reaction may be zero, a whole number, or a fraction.

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Most popular questions from this chapter

The specific rate constant of a first-order reaction depends on (a) concentration of the reactants (b) time (c) concentration of the products (d) temperature

The rate of a reaction usually (a) increases with increase in temperature (b) decreases with increase in temperature (c) remains unaffected with increase in temperature (d) none of these

The essential condition for a reaction to occur, according to collision theory is that the (a) molecules should dissociate after collision

For the chemical change \(A \rightarrow B\), it is found that the rate reaction doubles when the concentration is increased four times. The order in \(A\) for this reaction is (a) two (b) one (c) zero (d) half

The equation which expresses the effect of temperature on the velocity constant of reaction is (a) Faraday (b) Arrhenius equation (c) Avogadro's equation (d) none of these
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