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Chemical Kinetics and Nuclear Chemistry question

2019 · 11 Jan · Shift 2 · Q13
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Chemical Kinetics and Nuclear Chemistry question

2019 · 11 Jan · Shift 2 · Q13

JEE MainChemistryChemical Kinetics and Nuclear ChemistryMCQ+4 / −1
The reaction 2X →\to→ 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
    18.0 h
  2. B
    9.0 h
  3. C
    7.2 h
  4. D
    12.0 h
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