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Threshold energy is equal to...

Threshold energy is equal to

A

activation energy

B

activation energy - energy of molecules

C

activation energy + energy of molecules

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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Threshold energy =energy of normal molecules + Activation energy.

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Knowledge Check

  • The Threshold energy is given as E_(0) and radiation of energy E falls on metal then K.E is given as

    A
    `(E-E_0)/(2)`
    B
    `E-E_0`
    C
    `E_0 -E`
    D
    `(E )/(E _0)`

  • For the energy profile diagram Threshold energy will be

    A
    20 kJ/mole
    B
    60 kJ/mole
    C
    70 kJ/mole
    D
    30 kJ/mole

  • Statement: Threshold energy of a reaction is independent of temperature. Explanation: The energy of activation however decreases with increase in temperature.

    A
    (a) `S` is correct but `E` is wrong
    B
    (b) `S` is wrong but `E` is correct
    C
    (c ) Both `S` and `E` are correct and `E` is correct explanation of `S`
    D
    (d) Both `S` and `E` are correct but `E` is not correct explanation of `S`.

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