Rate Constant and its Units NEET Questions

Physical Chemistry - Chemical Kinetics
Rate Constant and its Units

Rate Constant and its Units MCQ Questions


13.
The unit of the rate constant for a (3/2)-order reaction is:
A.
mol^(−1/2) L^(1/2) s⁻¹
B.
L mol⁻¹ s⁻¹
C.
mol^(1/2) L^(−1/2) s⁻¹
D.
s⁻¹
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ANSWER :
A. mol^(−1/2) L^(1/2) s⁻¹
14.
If the rate constant of a reaction has units of L mol⁻¹ s⁻¹, the order of the reaction is:
A.
2
B.
0
C.
3
D.
1
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ANSWER :
A. 2
15.
If k = 3 × 10⁻⁴ s⁻¹ for a reaction, the order of the reaction is:
A.
3
B.
2
C.
0
D.
1
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ANSWER :
D. 1
16.
A rate constant has units mol L⁻¹ min⁻¹. The order of reaction is:
A.
0
B.
3
C.
2
D.
1
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ANSWER :
A. 0
17.
If the rate constant has units L² mol⁻² s⁻¹, the reaction is of order:
A.
2
B.
1
C.
3
D.
0
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ANSWER :
C. 3
18.
The rate constant of a reaction is reported in the units atm⁻¹ s⁻¹ (where pressure is in atm). The order of the reaction is:
A.
3
B.
2
C.
0
D.
1
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ANSWER :
B. 2
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