1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Zero Order Reaction
For a zero-or...
Question
For a zero-order reaction,
A
→
B
, a graph of rate vs time has a slope equal to:
[where k=rate constant]
A
k
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
-k
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
zero
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
-2.303 k
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
C
zero
for zero-order reaction
rate =
k
[
a
]
0
For a zero-order reaction, the rate does not change with time
Thus, the slope will be equal to zero.
Hence, the correct option is
C
Suggest Corrections
0
Similar questions
Q.
Rate constant
k
of a reaction varies with temperature according to the equation
log
k
=
c
o
n
s
t
a
n
t
−
E
a
2.303
R
×
1
T
where
E
a
is the energy of activation for the reaction. When a graph is plotted for
log
k
vs
1
T
a straight line with a slope
−
6670
k
is obtained. The activation energy for this reaction will be:
(
R
=
8.314
J
K
−
1
m
o
l
−
1
)
Q.
For a zero-order reaction with a rate constant k, the slope of the plot of reactant concentration against time is:
Q.
If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:
Q.
Consider the following statements:
(i) Increase in concentration of reactant increases the rate of a zero order reaction.
(ii) Rate constant
k
is equal to collision frequency
A
if
E
a
=
0
.
(iii) Rate constant
k
is equal to collision frequency
A
if
E
a
=
∞
.
(iv)
log
e
k
vs
T
is a straight line.
(v)
log
e
k
vs
1
/
T
is a straight line.
Correct statements are:
Q.
For a first order reaction, the plot of ‘t’ against log C gives a straight line with slope equal to:
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Integrated Rate Equations
CHEMISTRY
Watch in App
Explore more
Zero Order Reaction
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app