JEE Advanced | 2013Chemical Kinetics and Nuclear ChemistryHard
Question
In the reaction :
P + Q →R + S
the time taken for 75% reaction of P is twice the time taken for 50% reaction of P. The concentrationof Q varies with reaction time as shown in the figure. The overall order of the reaction is -
Options
A.2
B.3
C.0
D.1
Solution
For reactant ′P′
Since t75% = 2 t50%
therefore order with respect to ′P′ is ′one′
For reactant ′Q′
linear variation of concentration of ′Q′ with time suggest that order with respect to ′Q′ is zero, therefore
overall order will be = 1 + 0 = 1
Correct Option (D)
(Assuming conc. of other reactant to be very large)
Since t75% = 2 t50%
therefore order with respect to ′P′ is ′one′
For reactant ′Q′
linear variation of concentration of ′Q′ with time suggest that order with respect to ′Q′ is zero, therefore
overall order will be = 1 + 0 = 1
Correct Option (D)
(Assuming conc. of other reactant to be very large)
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