With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction

With increase in temperature, the equilibrium conversion of a reversible exothermic reaction

A

Decreases

B

Increases

C

Remains unaffected

D

Decreases linearily with temperature

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be

A

Same

B

Doubled

C

Halved

D

One fourth of its original value

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will

A

Remain the same

B

Be halved

C

Also be doubled

D

Become one fourth

Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum.

A

Increases

B

Remains unchanged

C

Decreases

D

Unpredictable from the data

The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process.

A

Isobaric

B

Isothermal

C

Adiabatic

D

None of these

For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

A

Is independent of pressure

B

Increases with pressure

C

Decreases with pressure

D

Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction

Maximum equilibrium conversion for endothermic reaction is obtained at the __________ temperature.

A

Highest possible

B

Lowest possible

C

Intermediate

D

Room

An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time.

A

Increase

B

Increase exponentially

C

Decrease

D

Remain unchanged

The catalyst in a second order reversible reaction increases the rate of the forward reaction

A

And decreases that of backward reaction

B

And backward reaction equally

C

Only

D

To a greater extent than that of the backward reaction

The irreversible reaction is a special case of reversible reaction, if the

A

Equilibrium constant is 1

B

Conversion of the reactant at equilibrium condition is zero

C

Reactant concentration at equilibrium condition is zero

D

All of the above

With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction

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