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Assertion (A): The rate of reaction incr...

Assertion (A): The rate of reaction increases generally by `2` to `3` times for every `10^(@)C` rise in temperature.
Reason (R ): An increase intemperature increases the colliison frequency.

Text Solution

Verified by Experts

The correct Answer is:
b
With increase of temperature by `10^(@)` , the fraction of molecules having effective collisions becomes 2 or 3 times.
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The rate of reaction becomes 2 times for every 10^@C rise in temperature. How the rate of reaction will increase when temperature is increased from 30^@C" to" 80^@C ?

Statement: The rate of reaction normally increases by a factor of 2 or 3 for evergy 10^(@) rise in temperature. Explanation: Increase in temperature increases the number of collisions.

Knowledge Check

  • Assertion (A) : Rate of reaction normally increases by a factor of 2 to 3 for every 10^(@) rise in temperature. Reason (R ) : Increase of temperature increases the number of collisions .

    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.

  • This section contains Assertion and Reason type questions. Each question has 4 choices(1),(2),(3) and (4), out of which only one is correct. Assertion (A) The rate of a reaction normally increases by a factor of 2 or 3 every 10^@ rise in temperature. Reason (R) Increase in temperature increases the number of collisions.

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

  • Every ^(@)C rise in temperature, the speed of sound increases by

    A
    0.61 m/s
    B
    1.22 m/s
    C
    0.34 m/s
    D
    1.19 m/s

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    If the rate of a reaction increases to two times every 10^@ rise in temperature , then if we raise the temperature by 40^@ , the new rate of the reaction will be

    If the rate of reaction increases by two times with every 10^@C rise in temperature, then if we raise the temperature by 40^@C , the new rate of the reaction will be :-

    If the rate of reaction increases by two times with every 10^@C rise in temperature, then if we raise the temperature by 40^@C , the new rate of the reaction will be :-

    The rate of reaction becomes 2 times for every 10^@C rise in temperature. By how much will the rate of reaction increase when temperature is increased from 30^@C to 80^@C ?

    Assertion (A): The rate of reaction increases with increase in temperature. Reason (R): The reactant molecules collide less frequency.

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