The reaction, 2X → B is a zeroth order reaction. If the initial con – McqOptions

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1.	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 0.2M will be
A.	7.2h
B.	18.0h
C.	12.0h
D.	9.0h
Answer» C. 12.0h

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