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Which of the following conditions may le...

Which of the following conditions may lead to a non-spontaneous change?

A

Positive `Delta H` and positive `Delta S`

B

Negative `Delta H` and negative `DeltaS`

C

Positive `Delta H` and negative `Delta S`

D

Negative `Delta H` and positive `Delta S`

Text Solution

Verified by Experts

The correct Answer is:
C
When `Delta H` = +ve and `Delta S` = -ve reaction is non -spontaneous.
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Knowledge Check

  • Which of the following conditions will always lead to a non-spontaneous change?

    A
    Positive `DeltaH` and positive `Delta S`
    B
    Negative `DeltaH` and negative `Delta S`
    C
    Positive `Delta H` and negative `Delta S`
    D
    Negative `Delta H` and positive `Delta S`

  • Which of the following conditions will always lead to a non-spontaneous change

    A
    Positive `DeltaH` and positive `DeltaS`
    B
    Negative `DeltaH` and negative `DeltaS`
    C
    Positive `DeltaH` and negative `DeltaS`
    D
    Negative `DeltaH` and positive `DeltaS`

  • Which of the following conditions leads to a spontaneous process at all temperature

    A
    `Delta H` is positive and `Delta S` is negative
    B
    `Delta H` is negative and `Delta S` is positive.
    C
    Both `Delta H` and `Delta S` are negative.
    D
    Both `Delta H` and `Delta S` are positive
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