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(A) The rate of reaction is always negat...

(A) The rate of reaction is always negative.
(R ) Minus sign used in expressing the rate shows that concentration of product is decreasing

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

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • (A) The order of a reaction may be nagative. (R ) In some cases, the rate of reaction decreases as the concentration of the reactant increases.

    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

  • The correct expression for the rate constant for reactions of zero order is

    A
    `k-[A_(o)]//2t`
    B
    `k=1/t{[A_(0)]-[A]}`
    C
    `k=1/t{[A]-[A_(0)]}`
    D
    `k=(2.303)/(t)"log"{[A_(0)]-[A]}`

  • The correct expression for the rate constant for reactions of zero order is

    A
    `k=[A_(0)]//2t`
    B
    `k=1/4{[A_(0)]-[A]}`
    C
    `k=1/t{[A]-[A_(0)]}`
    D
    `k=2.303/tlog{[A_(0)]-[A]}`

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    The Arrhenius equation expressing the effect of temperature on the rate constant of reaction is

    The Arhenius equation expressing the effect of temperature on the rate constant of reaction is

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