(A) $C H_{4}$ and $C O_{2}$ have the value of Z (compressibility factor) less than one.
(R) Z < 1 is due to repulsive forces among the molecules.

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 B Assertion (A) is true but reason (R) is false
$C H_{4}$ and $C O_{2}$ have the value of $z$ (compressibility factor) less than one.
Compressibility factor of a gas is defined as $z = \frac{P V}{n R T} .$
If attractive inter-molecular forces dominate then, tends to be smaller than $1$ and vice-versa if repulsive forces dominate.
$⟹ Z C l$ due to inter-molecular attractive forces.

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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.

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

Assertion (A): Steel is more elastic than rubber.

Reason (R) : Under a given deforming force, steel is deformed less than rubber.

A) Both Assertion and Reason are true and the reason is correct explanation of the assertion
B)Both Assertion and Reason are true, but reason is not correct explanation of the assertion
C) Assertion is true, but the reason is false
D) Assertion is false, but the reason 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.

Q. Regarding the assertion and reason, choose the correct option.
Assertion [A]: Deforestation is one main factor contributing to global warming.
Reason [R]: Besides CO₂, methane and CFCs are also greenhouse gases.

Q. Assertion (A)
The HCF of two number is 9 and their LCM is 2016. If one of the numbers is 54, then the other is 306.
Reason (R)
For any positive integers a and b, we have:

(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 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.

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(A) CH4 and CO2 have the value of Z (compressibility factor) less than one. (R) Z < 1 is due to repulsive forces among the molecules.

(A) $C H_{4}$ and $C O_{2}$ have the value of Z (compressibility factor) less than one.
(R) Z < 1 is due to repulsive forces among the molecules.