1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
In the reaction,
BrO$$_{3(aq)}^ - $$ + 5Br$$_{(aq)}^ - $$ + 6H+ $$ \to $$ 3Br2(l) + 3H2O(l).
The rate of appearance of bromine (Br2) is related to rate of disappearance of bromide ions as
BrO$$_{3(aq)}^ - $$ + 5Br$$_{(aq)}^ - $$ + 6H+ $$ \to $$ 3Br2(l) + 3H2O(l).
The rate of appearance of bromine (Br2) is related to rate of disappearance of bromide ions as
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
For the reaction A + B $$ \to $$ products, it is observed that
(i) on doubling the initial concentration of A only, the rate of reaction is also doubled and
(ii) on doubling the initial concentration of both A and B, there is a change by a factor of 8 in the rate of the reaction.
The rate of this reaction is given by
(i) on doubling the initial concentration of A only, the rate of reaction is also doubled and
(ii) on doubling the initial concentration of both A and B, there is a change by a factor of 8 in the rate of the reaction.
The rate of this reaction is given by
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Half-life period of a first order reaction is 1386 seconds. The specific rate constant of the reaction is
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The bromination of acetone that occurs in acid solution is represented by this equation.
CH3COCH3(aq) + Br2(aq) $$ \to $$
CH3COCH2Br(aq) + H+(aq) + Br$$-$$(aq)
These kinetic data were obtained for given reaction concentrations.
Based on these data, the rate equation is
CH3COCH3(aq) + Br2(aq) $$ \to $$
CH3COCH2Br(aq) + H+(aq) + Br$$-$$(aq)
These kinetic data were obtained for given reaction concentrations.
Initial concentrations, M | ||||
---|---|---|---|---|
[CH3COCH3 | [Br2] | [H+] | ||
0.30 | 0.05 | 0.05 | ||
0.30 | 0.10 | 0.05 | ||
0.30 | 0.10 | 0.10 | ||
0.40 | 0.05 | 0.20 |
Initial rate, disappearance of Br2, Ms$$-$$1 | ||||||
---|---|---|---|---|---|---|
5.7$$ \times $$10$$-$$5 | ||||||
5.7$$ \times $$10$$-$$5 | ||||||
1.2$$ \times $$10$$-$$4 | ||||||
3.1$$ \times $$10$$-$$4 |
Based on these data, the rate equation is
Questions Asked from Chemical Kinetics (MCQ (Single Correct Answer))
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