Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The reaction 2X B is a zeroth order reaction. If the initial concentration of X is 0.2 M, the half-life is 6 h. When the initial concentration of X is 0.5 M, the time required to reach its final concentration of 0.2 M will be : 

  1. A

    12.0 h

  2. B

    7.2 h

  3. C

    9.0 h

  4. D

    18.0 h 

Solution

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