Concentration of the limiting reactant (with initial concentration of – McqOptions

MCQOPTIONS

1.	Concentration of the limiting reactant (with initial concentration of a moles/litre) after time t is (a-x). Then ‘t’ for a first order reaction is given by____________________?
A.	k. t = ln a/(a – x)
B.	k. t = x/a (a – x)
C.	k. t = ln (a – x)/a
D.	k. t = ln a (a – x)/x
Answer» B. k. t = x/a (a – x)

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