Which among the following plots are linear (a -x) is the concentration of reactant remaining after time , t
(a) (a - x) vs t , for a first order reaction
(b) (a - x) vs t , for a zero order reaction
(c) (a - x) vs t , for a second order reaction
(d) 1/(a - x) vs t , for a second order reaction
A. 1 and 2
B. 1 and 3
C. 2 and 3
D. 2 and 4
