In a chemical reaction, two reactants take part. The rate of reaction is directly proportional to the concentration of one of them..
The rate of a reaction that not involve gases is not dependent on
A first order reaction is 60 per complete in 20 min. How long will the reaction take to be 84 per complete?
A reaction proceeds by first order, 75 per of this reaction was completed in 32 min. The time required for 50 per completion is
The rate of a chemical reaction
By increase in temperature by 10 K, the rate of reaction becomes double. How many times the rate of reaction will be if the temper..
In the synthesis of ammonia by Haber process, if 60 moles of amonia is obtained in one hour, then the rate of disappearance of Nit..
1/[A]^2 versus time is straight line. Order of reaction is
The rate of which a substance reacts depends on its
For a reaction, the rate constant is 2.34 s^-1. The half-life period for the reaction is
the following mechanism has been processed for the reaction of
Which of the following statement is false in relation to enzyme
A catalyst increases the rate of a chemical reaction by
If the rate of reaction A --> B doubles on increasing the concentration of A by 4 times, the order of the reaction is
The initial rate, -d[A]/dt at t = 0 was found to be 2.6*10-2 mol L-1s-1 for the reaction A+2B --> Products,The inicial rate, -d[B]..
Velocity constant of a reaction at 290 K was found to be 3.2*10-3. At 310 K it will be about
Which increases on increase of temperature ?
For the reaction N2O5(g) -2NO2(g)+1/2O2(g) the value of rate of disappearance of N2O5 is given as 6.25*10 -3 mol L-1S-1 . The rate..
The bromination of acetone that occurs in acid solution is represented by this equation. CH3CHOCH3(aq) + Br2(aq)-- ch3coch2br(aq)+..
For a first order reaction with rate constant k and initial concentration a , the half-life period is given by
For given a reaction 3A + B -> C + D the rate of reaction can be represented by
The rate of the reaction A -> products, at the initial concentration of 3.24*10-2M is nine times its rate at another initial conce..
1A gaseous hypothetical chemical equation 2A-- 4B+C is carried out in a closed vessel. The concentration of B is found to increase..
The rate of reaction 2N2O5 - 4NO2+O2 can be written in three ways
In the reaction CL2 + CH4 hv__> CH3CL + HCL, presence of a small amount of oxygen
Rate of reaction depends upon
In the reaction 2A+B -- A2B, if the concentration of A is doubled and B is halved, then the rate of reaction will
The initial rates of reaction 3A+2B+C -- Products, at different initial concentrations are given below
For which order half-life period is independent of initial concentration ?
In a reaction, A+B -> C, the rate of expression is R = K[A][B]2. If the concentration of both the reactants is doubled at constant..
The minimum energy required for the reacting molecules to undergo reaction is
For the reaction A+B - products,it is observed that :
1) On doubling the initial concentration of A only,the rate of reaction is ..
For the equilibrium. If the ratio of the activation
With increase in temperature, rate of reaction
The unit of second order reaction rate constant is
Activation energy of a reaction
Unit of frequency factor (A) is
In the reaction BrO-(aq) +5Br- (aq) + 6H+ -- 3Br2(l) +3H2O (l) The rate of appearance of bromine(Br2) is related to rate of disapp..
Inversion of cane-sugar in dilute acid is a
A reaction involving two different reactants can never be
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