Question

In an exothermic reaction, the energy of the reacting substances as compared to that of products is

a.

more

b.

less

c.

same

d.

either (a) or (b), depends on order of reaction.

Answer: (a).more

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. In an exothermic reaction, the energy of the reacting substances as compared to that of products is

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. For a tubular flow reactor with uniform concentration and temperature, the independent variable is

Q. Pick out the wrong statement.

Q. The extent of a reaction is

Q. Higher free energy of activation of a chemical reaction (at a given temperature) implies

Q. Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because

Q. Arhenious equation shows the variation of __________ with temperature.

Q. When a catalyst increases the rate of chemical reaction, the rate constant

Q. In which of the following reactions, the equilibrium will shift to the right, if the total pressure is increased?

Q. The catalyst in a first order chemical reaction changes the

Q. The dispersion number of perfect mixed flow is

Q. An irreversible aqueous phase reaction, A + B → P, is carried out in an adiabatic mixed flow reactor. A feed containing 4 kmole/m³ of each A and B enters the reactor at 8 m³ /hr. If the temperature of the exit stream is never to exceed 390 K, what is the maximum inlet feed temperature allowed?

Data:
Heat of reaction = - 50 kJ/mole
Density of the reacting mixture = 1000 kg/m³
Specific heat of reacting mixture = 2 kJ/kg.K

The above data can be assumed to be independent of temperature and composition.

Q. For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rᴀ₀ is invariant with total pressure. The rate controlling step is

Q. Half life period of a first order irreversible reaction A → B is

Q. Which of the following fixes the volume of a batch reactor for a particular conversion and production rate ?

Q. Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes.

Q. With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will

Q. In case of calcination of limestone, CaCO₃CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂.

Q. The rate of a homogeneous reaction is a function of

Q. In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________

Q. Pick out the correct statement.

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!