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Assertion : Number of gram-molecules of ...

Assertion : Number of gram-molecules of `SO_(2)Cl_(2)` in 13.5 g of sulphuryl chloride is 0.2.
Reason : Gram-molecular mass of `SO_(2)Cl_(2)` is 125 g.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
No. of gram molecules or mole molecules `("wt. of substance")/(GMM)` (GMM Gram molecular mass)
`:.` GMM of `SO_(2)Cl_(2)=135g`
Hence, number of gram - molecules `=(13.5)/(135)=0.1`
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Knowledge Check

  • The total number of gram-molecules of SO_(2)Cl_(2) in 13.5 g of sulphuryl chloride is

    A
    (a)0.1
    B
    (b)0.2
    C
    (c )0.3
    D
    (d)0.4

  • The total number of gm-molecules of SO_(2)Cl_(2) in 13.5 g of sulphuryl chloride is

    A
    `0.1`
    B
    `0.2`
    C
    `0.3`
    D
    `0.4`

  • Assertion : Number of gram-molecules of SO_2Cl_2 in 13.5 g of sulphuryl chloride is 0.1. Reason : Gram molecular mass is equal to one gram molecule.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

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