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Statement-1: CH(4),CO(2) has value of Z ...

Statement-1: `CH_(4),CO_(2)` has value of Z (compressibility factor) less than one, generally. Statement-2: `Zlt1` is due to repulsive forces among the molecules.

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Assertion (A) : CH_(4) , CO_(2) has value of Z (compressibility factor ) less than one a 0^(@) C . Reason (R) : For every molecule there are three rotational degree of freedom .

    A
    Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.
    B
    Both Assertion and Reason are true but Reason is not the correct explanation of Assertion .
    C
    Assertion is true but Reason is wrong .
    D
    Both Assertion and Reason are wrong .

  • Statement-I : If a gas has compressilbility factor (Z) greater than unity, then repulsive forces are dominant. Because Statement -2 : Value of Z decrease with increases in pressure.

    A
    Statement -1 is true , statement -2 is true, statement-2 is a correct explanation of statement-2
    B
    Statement-1 is true , statement -2 is true, statement-2 is not a correct explanation of statement -2
    C
    Statement-1 is true, statement-2 is false
    D
    Statement -1 is false, statement-2 is true

  • Statement-1. Compressibility factor of non-ideal gases is always less than1. Statement-2. Non-ideal gases exert less pressure than expected for ideal gas.

    A
    Statement-1 is correct, Statement-2 is correct , Statement-2 is the correct explanation for Statement-1.
    B
    Statement-1 is correct, Statement-2 is correct , Statement-2 is not a correct explanation of Statement-1.
    C
    Statement-1 is correct, Statement-2 is incorrect.
    D
    Statement-1 is incorrect, Statement-2 is correct.
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