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Assertion (A) : S.I. unit of conductivit...

Assertion (A) : S.I. unit of conductivity is siemen represented by S and is equal to `ohm^(-1)` or mho or `Omega^(-1)`.
Reason (R) : Conductivity of an electrolyte depends upon the nature of the electrolyte.

A

Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).

B

Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A)

C

Assertion (A) is correct, but Reason (R) is incorrect statement.

D

Assertion (A) is incorrect, but Reason (R) is correct statement.

Text Solution

Verified by Experts

The correct Answer is:
B
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What is the S.I . Unit of thermal conductivity?

Assertion (A): Molar conductivity of an ionic solution depends on temperature. Reason (R): Molar conductivity of an ionic solution depends on the concentration of electrolytes in the solution.

Knowledge Check

  • S.I. unit of conductance is

    A
    ohm
    B
    mho
    C
    siemen
    D
    both 'b' and 'c'

  • S.I unit of thermal conductivity is

    A
    `J s m^(-1) K^(-1)`
    B
    `J s^(-1) m^(-1) K^(-1)`
    C
    `Js^(-1) m^(-2) K`,
    D
    `Js^(-1) m^(-1)K.`

  • Assertion (A) : Conductivity of an electrolyte depends upon the size of the ions produced andtheir solvation. Reason (R) : Conductivity of an electrolyte does not depend upon temperature.

    A
    Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
    B
    Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A)
    C
    Assertion (A) is correct, but Reason (R) is incorrect statement.
    D
    Assertion (A) is incorrect, but Reason (R) is correct statement.

    • Similar Questions

    Explore conceptually related problems

    Assertion (A): The extent of dissociation is different for different electrolytes Reason (R): The extent of dissociation is dependent on nature of electrolyte and independent on nature of electrolyte.

    Assertion : In a pair of two electrolytes one having higher value of K_(SP) is more soluble in water than the other having lower value of K_(sp) . Reason : Solubility of electrolyte depends upon K_(sp) as well as on the nature of electrolyte.

    Statements: (i) Unit of conductivity is ohm^(-1) cm^(-1) . (ii) Conductivity of strong electrolytes decreasews on dilution. (iii) The amount of an ion discharged during electrolysis does not depend upon resistance.

    Statements: (i) Unit of specific conductivity is ohm^(-1) cm^(-1) . (ii) Specific conductivity of strong electrolytes decreases on dilution. (iii) The amount of an ion discharged during electrolysis does not depend upon resistance. (iv) The unit of electrochemical equivalence is g/coulomb.

    Assertion : The S.I. unit of thermal conductivity is watt m ^(1)1 K^(1) . Reason : Thermal conductivity is a measure of ability of the material to allow the passage of heat through it.

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