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(A) Spontaneous reaction may be slow or ...

(A) Spontaneous reaction may be slow or fast.
(R ) Spontaneous nature deals with feasibility of the reaction but not rate.

A

Both (A) and (R ) are true and (R ) is the correct explanation of (A)

B

Both (A) and (R ) are true and (R ) is not the correct explanation of (A)

C

(A) is true but (R ) is false

D

Both (A) and (R ) are false

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A: Spontaeous reaction may be slow or fast. R: Spontanteous nature deals with feasibility of the reaction but not rate.

    A
    Both A and B are true and R is the correct explanation of A
    B
    Both A and R are true and R is not the correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • (A) All instantaneous reactions are spontaneous (R ) Spontaneous recations get completed in a fraction of minute

    A
    Both (A) and (R ) are true and (R ) is the correct explanation of (A)
    B
    Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
    C
    (A) is true but (R ) is false
    D
    Both (A) and (R ) are false

  • If the cell reaction is spontaneous

    A
    `E^(0)` is -ve
    B
    `DeltaG` is positive
    C
    `E^(0)` is +ve
    D
    `(DeltaG + E^(0))` is positive
    • AAKASH SERIES-CHEMICAL KINETICS-Objective Exercise - 4 (Assertion (A) & Reason (R) Type Questions)
    1. (A) Spontaneous reaction may be slow or fast. (R ) Spontaneous natur...

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    2. A: Rate of reaction increases with increasse in concentration of react...

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    3. A: Hydrolysis of an ester is a slow reaction R: Reactions between co...

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    4. (A) All collisions lead to chemical reaction (R ) All molecules brin...

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    5. A: Order of reaction is evaluated from the mechanism of a reaction ...

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    6. A: A catalyst increases the rate of a reaction. R: In presence of a ...

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    7. (A) The rate of the reaction is the rate of change of concentration of...

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    8. (A ) If in a zero order reaction, the concentration of the reactant is...

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    9. (A) The addition of catalyst lowers the activation barrier, yet there ...

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    10. (A) In a multiple reaction, the rate determining step is the fast step...

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    11. (A) Half-life period of a reaction of first order is independent of in...

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    12. (A) Order of recation is related to molecularity of reaction (R ) Mo...

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    13. (A) The rate law equation can be found only by experiment. (R ) Rate...

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    14. (A) Reactions of higher order are rare (R ) The chances of multimole...

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    15. (A) Rate of reaction increases with increase in temperature. (R ) Nu...

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    16. (A) The mass of the products formed in a reaction depends upon the lim...

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    17. (A) Order with respect to any reactant or product can be zero or posit...

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    18. (A) The rections 2NO+O(2) to 2NO(2) and 2CO+O(2) to 2CO(2), proceed at...

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    19. (A) Hydrolysis of ethyl acetate in presence of acid is a reaction of f...

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    20. (A) The rate of reaction is always negative. (R ) Minus sign used in...

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