Test #01
Name of Student____________________ Class: XI_________
Q.1 Define activation energy and give its graphical
representation
Q.2 For the
decomposition of ethyl acetate K =1.3x10-3 S-1 at 200°C, what is the initial rate
when the initial concentration is 0.25 M?
Q.3 Write
the names of factors affecting rate of chemical reaction. Discuss the effect of concentration in detail.
Q.4 For
a reaction the following data is observed
|
Conc. Mol/dm3
|
0.0
|
0.8
|
1.6
|
2.4
|
2.8
|
|
Time( min )
|
0
|
5
|
10
|
20
|
40
|
Determine the average rate of reaction from initial
time to 40 min
Test#02
Name of Student____________________ Class:XI_________
Q.1
Define rate of chemical reaction and what are it types. Explain your answer
with suitable
example.
Q.2 Determine
the initial rate of the following reaction at 303°C in which its rate constant
is 8.5 x 10-5 dm3 mol-1 sec-1.
Initial concentration of the reaction is 9.8 x 10-2 mole/litre.
2NO2↔ 2NO + O2.
Q.3 Write
the names of factors affecting rate of chemical reaction. Discuss the effect of catalyst in
detail.
Q.4 For
a reaction the following data is observed
|
Conc. Mol/dm3
|
3.5
|
2.0
|
2.75
|
3.0
|
3.25
|
|
Time( min )
|
0
|
5
|
10
|
20
|
40
|
Determine the average rate of
reaction from initial time to 40 min
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