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Molecularity of Reaction

Molecularity ...

Question

Molecularity of a reaction is always whole number.

A

True

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B

False

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Solution

The correct option is A True
Molecularity is defined as the number of molecules, atoms, or radicals that must collide simultaneously in order for the reaction to take place. It is always a whole number (except zero) and cannot be negative.

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Q. Assertion :The molecularity of a reaction is a whole number other than zero, but generally less than 3. Reason: The order of a reaction is always whole number.

Q. Which of the following statements are true?

(i) Order and molecularity may be equal for some reactions.
(ii) Order can be a fraction.
(iii) molecularity can be a fraction.
(iv) molecularity is always a whole number.

\frac{Molecular mass}{Empirical formula mass} = n

where n is always a whole number.

Q. Assertion :Complex reaction takes place in different steps and the slowest step determines the rate of reaction. Reason: Order and molecularity of a reaction are always equal.

Q. Valency is not always a whole number whereas oxidation number is always a whole number

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