Home
Q&A
Education
Technology
Credit
General
Health
Insurance
Questions
Ask a Question
Why equilibrium constant of a reaction does not change in the presence of a catalyst ?
Home
Education
Why equilibrium constant of a reaction does not...
asked
Jan 4, 2022
in
Education
by
JackTerrance
Why equilibrium constant of a reaction does not change in the presence of a catalyst ? Select the correct answer from above options
probability-questions
probability-mcq
1
Answer
0
votes
answered
Jan 4, 2022
by
JackTerrance
The catalyst increases the rate of forward and backward reactions to the same extent. Hence, Keq remains constant but is attained quickly.
Related questions
0
votes
Q: What is the effect of adding catalyst on free energy change `(DeltaG)` of a reaction ?
What is the effect of adding catalyst on free energy change ( Δ G ) ( of a reaction ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Why equilibrium constant is related to `E_("cell")^(c-)` but not to `E_("cell")` ?
Why equilibrium constant is related to E c- cell but not to Ecell ? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: A first order reaction has a rate constant `1.15xx10^(-3)s^(-1)`. How long will `5g` of this reactant take to reduce to `3g`` ?
A first order reaction has a rate constant 1.15×10-3s-1 . How long will 5g of this reactant take to reduce to 3g ` ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: The rate constant for a first order reaction is `60s^(-1)`. How much time will it take to reduce the initial concentrationof the reactant to its `1//1
The rate constant for a first order reaction is 60s-1 . How much time will it take to reduce the initial ... 1/16th value ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: The rate constant for the first order decompoistion of a certain reaction is described by the equation `log k (s^(-1)) = 14.34 - (1.25 xx 10^(4)K)/(T)
The rate constant for the first order decompoistion of a certain reaction is described by the equation logk(s-1)= ... periof be 256min? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: What is the order of reaction whose rate constant has the same units as rate of reaction ?
What is the order of reaction whose rate constant has the same units as rate of reaction ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: On the basis of enthalpy of formation, graphite is more stable than diamond, yet diamond does not change into graphite for years. Why ?
On the basis of enthalpy of formation, graphite is more stable than diamond, yet diamond does not change into graphite for years. Why ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Is there any reaction whose rate does not decrease with time ?
Is there any reaction whose rate does not decrease with time ? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: For a cell involving one electron `E_(cell)^(0)=0.59V` and 298K, the equilibrium constant for the cell reaction is: [Given that `(2.303RT)/(F)=0.059V`
For a cell involving one electron E 0 c e l l = 0.59 V E and 298K, the equilibrium constant for the cell reaction ... 1.0 10 10 1.0 Select the correct answer from above options...
asked
Jan 2, 2022
in
Education
by
JackTerrance
class-12
neet
0
votes
Q: In some cases, it is found that a large number of colliding molecules have energy more than thereshold value, yet the reaction is slow. Why?
In some cases, it is found that a large number of colliding molecules have energy more than thereshold value, yet the ... is slow. Why? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Which point defect does not change the density of `AgCl` crystals?
Which point defect does not change the density of AgCl crystals? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Why a mercury cell gives a constant voltage throughout its life ?
Why a mercury cell gives a constant voltage throughout its life ? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Why `Zn` reacts with dilute `H_(2)SO_(4)` to give `H_(2)` gas but `Cu` does not ?
Why Zn reacts with dilute H2SO4 to give H2 gas but Cu does not ? Select the correct answer from above options...
asked
Jan 5, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Why coal or petrol does not burn by itself in air but once initiated by flame, it continues to burn?
Why coal or petrol does not burn by itself in air but once initiated by flame, it continues to burn? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
0
votes
Q: Why in general does not proceed with a uniform rate throughout?
Why in general does not proceed with a uniform rate throughout? Select the correct answer from above options...
asked
Jan 4, 2022
in
Education
by
JackTerrance
probability-questions
probability-mcq
...