1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A reaction involving two different reactants can never be
A
Unimolecular reaction
B
First order reaction
C
second order reaction
D
Bimolecular reaction
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The photon of hard gamma radiation knocks a proton out of $${}_{12}^{24}Mg$$ nucleus to form
A
the isotope of parent nucleus
B
the isobar of parent nucleus
C
the nuclide $${}_{11}^{23}Na$$
D
the isobar of $${}_{11}^{23}Na$$
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
t1/4 can be taken as the time taken for the concentration of a reactant to drop to $$3 \over 4$$ of its initial value. If the rate constant for a first order reaction is K, the t1/4 can be written as
A
0.10 / K
B
0.29 / K
C
0.69 / K
D
0.75 / K
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A schematic plot of $$ln$$ $${K_{eq}}$$ versus inverse of temperature for a reaction is shown below

AIEEE 2005 Chemistry - Chemical Kinetics and Nuclear Chemistry Question 132 English
The reaction must be
A
highly spontaneous at ordinary temperature
B
one with negligible enthalpy change
C
endothermic
D
exothermic
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