Question

OBJECTIVE QUESTIONS
WITH HINTS & SOLUTIONS
concentration of
is:
(0) The Choice of the Examiner
B , the reaction rate at reactant concentro
1. For a first order reaction
A
0.01 M is found to be 2.0 x 10-5 mol l 's-1. The half- life period of the rea
(JIPMER 2007
(a) 30s
(b) 220 s
(c) 300 s
(d)347 s
2. The rate of reaction between two reactants A and B decreases by a factor of 4 if the
concentration of reactant B is doubled. The order of this reaction with respect to
reactant B is:
(AIPMT 2005)
(a)-1
(b)-2
(c)1
(d) 2
3. For a reaction a A x P, when [A] = 2.2 mM, the rate was found to be 2.4
mMs. On reducing concentration of A to half, the rate changes to 0.6 mMs!
The order of reaction with respect to Ais:
(AIIMS 2005
(a) 1.5
(b) 2.0
(c) 2.5
(d) 3.0
4. A substance with half-life 3 days is taken at other place in 12 days. What amount is
left now?
[AFMC 2005)
(al​

Answer 1

Explanation:

Please let me know if I was able to solve your doubt