In the following reaction;
'A' and 'B' respectively can be :
and
and
and
n-Butane and Iso-butane
A bacterial infection in an internal wound grows as ,
where the time t is in hours. A dose of antibiotic, taken orally, needs 1 hour to reach the wound.
Once it reaches there, the bacterial population goes down as .
What will be the plot of vs. t after 1 hour ?
For the reaction of with , the rate constant is at and at The activation energy for the reaction , in is :
Consider the given plot of enthapy of the following reaction between A and B .
Identify the incorrect statement .
Activation enthapy to form C is less than that to form D.
C is the thermodynamically stable product.
D is kinetically stable product .
Formation of A and B from C has highest enthaply of activation .
The given plots represent the variation of the concrntration of a reactant with time for two different reactions (i) and (ii). The respective orders of the reactions are :
For a reaction scheme if the rate of formation of B is set to be zero then the concentration of B is given by:
For the reaction , the values of initial rate at different reactant concentrations are given in the table below. The rate law for the reaction is :
0.05 | 0.05 | 0.045 |
0.10 | 0.05 | 0.090 |
0.20 | 0.10 | 0.72 |
required for a reaction is produced by the decomposition of in as per the equation, .
The initial concentration of is and it is after 30 minutes. The rate of formation of is:
K reprsent the rate of reaction when log K is ploted against 1/T the graph is obtain as
The rate of a reaction A doubles on increasing the temperature from 300 to 310 K. By how much, the temperature
9.84 K
4.92 K
2.45 K
19.67 K
A reaction having equal energies of activation for forward and reverse reactions has:
H = G = S=0
S = 0
G = 0
H = 0
If a reaction follows the Arrhenius equation , the plot Ink vs gives straight line with a gradient (-y) unit . The energy required to activate the reactant is:
-y unit
y/R unit
y unit
yR unit
The reaction 2X B is a zeroth order reaction. If the initial concentration of X is 0.2 M , the half- life is 6 h. When the initial concentration of X is 0.5 M, the time required to reach its final concentration of 0.2 M will be :
7.2 h
9.0 h
18.0 h
12.0 h
3
For a reaction, consider the plot of In k versus 1/T given in the figure. If the rate constant of this reaction at 400 K is 10^{-5} s^{-1} , then the rate constant at 500 K is :
For an elementry chemical reation the expression for is:
Consider the given plots for a reaction obeying Arrhenius equation ( ) : (k and are rate constant and activation energy , respectively )
I is right but II is wrong .
Both I and II are correct.
I is wrong but II is right .
Both I and II are wrong
Decomposition of X exhibits a rate constant of 0.05 . How many years are required for the decomposition of 5 of X into 2.5 ?
25
40
20
50
For the reaction , products , when the concentrations of A and B both were doubled , the rate of the reaction increased from . When the concentration of A alone is doubled , the rate increased from .
Which one of the following statement is correct ?
Order of the reaction with respect to B is 1
Order of reaction with respect to A is 2
Total order of the reaction is 4
Order of the reaction with respect to B is 2