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Question

Match the graphs given in column I with the order given in column II and mark the appropriate choice.

Column II
(i)Third order
(ii)First order
(iii)Zero order
(iv)Second order

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A
(A)(i),(B)(ii),(C)(iii),(D)(iv)
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B
(A)(iii),(B)(ii),(C)(iv),(D)(iv
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C
(A)(ii),(B)(i),(C)(iii),(D)(iv)
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D
(A)(iv),(B)(iii),(C)(i),(D)(ii)
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Solution

The correct option is B (A)(iii),(B)(ii),(C)(iv),(D)(iv
Formula that relate concentration and time is:-
Kt=1n1[1Aon11Atn1],
t1Aon1
For zero order reaction, this equation will be
At=AoKt
Y=+cmx so the first is zero order reaction graph,
[slope is negative]
For first order reaction, this equation will be
log[At]=log[Ao]Kt
Y=+cmx so the second is first order reaction graph,
[slope is negative]
For C and D there is direct relation between time and concentration
t1Aon1
for C power of {A} is 1 that means 1n=1
So order(n)=1+1=2
for D power of {A} is 2that means 1n=2
So order(n)=2+1=3.
So the correct option is [B].

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