Chemical Reaction

The catalytic activity of enzymes is due to their capacity to lower the ______________ energy?

Byadmin February 23, 2019August 23, 2021

The catalytic activity of enzymes is due to their capacity to lower the ______________ energy?

A. Activation
B. Potential
C. Kinetic
D. None of these

Chemical Reaction

What is the order of chemical reaction as shown in the bellow figure, if it is found that the reaction rate doubles on doubling the concentration of B and also the reaction rate doubles when the concentrations of both A & B were doubled and quadrupled when the concentrations of both B & C were doubled ?

What is the order of chemical reaction as shown in the bellow figure, if it is found that the reaction rate doubles on doubling the concentration of B and also the reaction rate doubles when the concentrations of both A & B were doubled and quadrupled when the concentrations of both B & C were doubled ?

A. 1
B. 2
C. 3
D. 4

Read More What is the order of chemical reaction as shown in the bellow figure, if it is found that the reaction rate doubles on doubling the concentration of B and also the reaction rate doubles when the concentrations of both A & B were doubled and quadrupled when the concentrations of both B & C were doubled ?
Chemical Reaction

In an exothermic chemical reaction, the reactants compared to the products have__________________?

In an exothermic chemical reaction, the reactants compared to the products have__________________?

A. Higher temperature
B. More energy
C. Less energy
D. Same energy

Read More In an exothermic chemical reaction, the reactants compared to the products have__________________?
Chemical Reaction

If helium is introduced in a reactor containing O2, SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 (as per Le Chatelier’s principle)?

If helium is introduced in a reactor containing O2, SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 (as per Le Chatelier’s principle)?

A. Decreases
B. Increases
C. Remains unaltered
D. Changes unpredictably

Read More If helium is introduced in a reactor containing O2, SO2 and SO3 at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO3 (as per Le Chatelier’s principle)?
Chemical Reaction

The temperature dependence of reaction rate constant (K) by Arrhenius law is given by_______________?

The temperature dependence of reaction rate constant (K) by Arrhenius law is given by_______________?

A. K α e-E/RT
B. K α eE/RT
C. K α T . e-E/RT
D. K α √T . e-E/RT

Read More The temperature dependence of reaction rate constant (K) by Arrhenius law is given by_______________?
Chemical Reaction

The concentration of A in a first order reaction, A → B, decreases_____________________?

The concentration of A in a first order reaction, A → B, decreases_____________________?

A. Linearly with time
B. Exponentially with time
C. Very abruptly towards the end of the reaction
D. Logarithmically with time

Read More The concentration of A in a first order reaction, A → B, decreases_____________________?
Chemical Reaction

Higher free energy of activation of a chemical reaction (at a given temperature) implies ____________________?

Higher free energy of activation of a chemical reaction (at a given temperature) implies ____________________?

A. Slower rate of reaction
B. Higher rate of reaction
C. Higher equilibrium conversion
D. Both B. and C.

Read More Higher free energy of activation of a chemical reaction (at a given temperature) implies ____________________?

Similar Posts