JEE MAIN - Chemistry (2023 - 29th January Morning Shift - No. 14)
For certain chemical reaction $$X\to Y$$, the rate of formation of product is plotted against the time as shown in the figure. The number of $$\mathrm{\underline {correct} }$$ statement/s from the following is ___________.
_29th_January_Morning_Shift_en_14_1.png)
(A) Over all order of this reaction is one.
(B) Order of this reaction can't be determined.
(C) In region I and III, the reaction is of first and zero order respectively.
(D) In region-II, the reaction is of first order.
(E) In region-II, the order of reaction is in the range of 0.1 to 0.9.
Answer
1
Explanation
In region I and II, slope of the graph is positive so reaction is nagative order.
In region III, slope of the graph is zero so the reaction is of zero order.
$$ \therefore $$ Order of this reaction can't be determined. So only (B) is correct.
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