Assertion A- The molecularity of the following reaction is 2- H2 -Br2 - 2HBrReason R- The order of reaction is 3-2-

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Molecularity of Reaction

Assertion A: ...

Question

Assertion (A): The molecularity of the following reaction is 2. $H_{2} + B r_{2} \to 2 H B r$
Reason (R): The order of reaction is 3/2.

Both (R) and (A) are true and reason is the. correct explanation of assertion

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Both (R) and (A) are true but reason is not correct explanation of assertion

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Assertion (A) is true but reason (R) is false

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Assertion (A) and reason (R) both are false

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Assertion (A) is false but reason (R) is true

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Solution

The correct option is C Assertion (A) is true but reason (R) is false
Here molecularity is 2 which can be calculated by adding stoichiometric coefficients of reactants. Hence Assertion is correct.
But the order of a reaction is calculated experimentally. Thus Reason is incorrect.

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Similar questions

(a) Both Assertion (A) and Reason (R) are true and Reason (A) and Reason (R). For selecting the correct answer, use the following code :

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

(d) Assertion (A) is false and Reason (R) is true.

$\begin{matrix} Assertion (A) & Reason (R) \sqrt{3} i s a n i r r a t i o n a l n u m b e r . & T h e s u m o f a r a t i o n a l n u m b e r a n d a n i r r a t i o n a l n u m b e r i s a n i r r a t i o n a l n u m b e r . \end{matrix} The correct answer is: (a)/(b)/(c)/(d).$

This question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer, use the following code:

(a) Both Assertion (A) and Reason (R) are true and Reason (R) correct explanation of Assertion (A).

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

(d) Assertion (A) is false and Reason (R) is true.

Q. Assertion (A)
If the circumferences of two circles are in the ratio 2 : 3, then the ratio of their areas is 4 : 9.

Reason (R)
The circumference of a circle of radius r is 2πr.

(a) Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
(b) Both Assertion (A) Reason (R) true but Reason (R) is not a correct explanation of Assertion (A).
(c) Assertion (A) is true and Reason (R) is false.
(d) Assertion (A) is false and Reason (R) is true.

Q. Assertion (A)
The curved surface area of a cone of base radius 3 cm and height 4 cm is 15π cm².

Reason (R)
Volume of a cone = πr²h

(a) Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).
(c) Assertion (A) is true and Reason (R) is false.
(d) Assertion (A) is false and Reason (R) is true.

This question consists of two statements,namely,Assertion (A) and Reason (R).For selecting the correct answer,use the following code:

(a) Both Assertion (A) and Reason (R) are true and Reason (R) correct explanation of Assertion (A).

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

(d) Assertion (A) is false and Reason (R) is true.

$\begin{matrix} A s s e r t i o n (A) & R e a s o n (R) If ABCD is a rhombus whose one & Median of a triangle divides it angle is 60^{\circ} then the ratio of the & into two triangles of equal area. lenghts of its diagonals is \sqrt{3} : 1. \end{matrix}$

The correct answer is :(a) /(b)/(c)/(d).

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Assertion (A): The molecularity of the following reaction is 2. H2+Br2→2HBrReason (R): The order of reaction is 3/2.

The correct option is C Assertion (A) is true but reason (R) is falseHere molecularity is 2 which can be calculated by adding stoichiometric coefficients of reactants. Hence Assertion is correct.But the order of a reaction is calculated experimentally. Thus Reason is incorrect.

Assertion (A): The molecularity of the following reaction is 2. $H_{2} + B r_{2} \to 2 H B r$
Reason (R): The order of reaction is 3/2.

The correct option is C Assertion (A) is true but reason (R) is false
Here molecularity is 2 which can be calculated by adding stoichiometric coefficients of reactants. Hence Assertion is correct.
But the order of a reaction is calculated experimentally. Thus Reason is incorrect.