JEE MAIN - Chemistry (2020 - 6th September Morning Slot - No. 8)

Consider the following reactions

A $$ \to $$ P1 ; B $$ \to $$ P2 ; C $$ \to $$ P3 ; D $$ \to $$ P4,

The order of the above reactions are a, b, c, and d, respectively. The following graph is obtained when log[rate] vs. log[conc.] are plotted JEE Main 2020 (Online) 6th September Morning Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 108 English
Among the following, the correct sequence for the order of the reactions is :
d > b > a > c
d > a > b > c
a > b > c > d
c > a > b > d

Explanation

Rate = k[A]n

log[Rate] = log k + n log [A]

slope = n [n is order of the reaction]

So, Which one has higher slope will have higher order.

$$ \therefore $$ Correct sequence for the order of the reaction is
d > b > a > c

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