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At a constant temperature , DeltaS will ...

At a constant temperature , `DeltaS` will be maximum for which of the following processes:

A

Vaporisation of pure solvent .

B

Vaporisation of solvent from a solution containing non-volatile and non-electrolytic solute in it.

C

Vaporisation of solvent from a solution containing non-volatile but electrolytic solute in it .

D

Entropy change will be same in all the above cases.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • For which of the following process, DeltaS is negative?

    A
    `H_(2)(g) to 2H(g)`
    B
    `N_(2)(g)(1atm)to N_(2)(g)(8atm)`
    C
    `2SO_(3)(g)to2SO_(2)(g)+O_(2)(g)`
    D
    `C_(("diamond"))to C_(("graphite"))`

  • For which of the following process, DeltaS is negative?

    A
    C (diamong) `to` C(grpahite)
    B
    `N_(2)`(g, 1 at ) `toN_(2)` (g,5atm)
    C
    `N_(2)` (g,273K)`toN_(2)` (g,300K)
    D
    `H_(2)(g)to2H(g)`

  • When heat is added to a system at constant temperature, which of the following is possible.

    A
    Internal energy of system increases
    B
    Work is done by the system
    C
    Neither internal energy increases nor work done by the system
    D
    Internal energy increaes and work is done by the system

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    In a constant pressure process, for 5mole of an ideal monoatomic gas, the temperature of gas increased form 300K to 500k . Which of the following is incorrect reagarding the process?

    Entropy is measure of degree of randomness. Entropy is directly proportional to temperature. Every system tries to acquire maximum state of randomness or disorder. Entropy is measure of unavailable energy. Unavailable energy = Entropy x Temperature. The ratio of entropy of vaporization and boiling point of substance remains almost constant. Which of the following process have DeltaS = -ve

    For which reaction from the following, DeltaS will be maximum

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