Related Questions

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
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
Which of the following are products and services bought by final consumers for personal consumption? These include convenience products, shopping products, specialty products, and unsought products.
A Material and parts
B Consumer products
C Industrial products
D Capital items
In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants )
A Addition of inert gas favours the forward reaction, when Δx is positive
B Pressure has no effect on equilibrium, when Δn = 0
C Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero)
D All of the above
The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy.
A Activation
B Potential
C Binding
D Threshold
What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction?
A 0
B 1
C 2
D 3
Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.
A Zero order
B Third order
C Consecutive
D None of these
The internal energy of the combustion products is __________ compared to that of reactants.
A More
B Less
C Equal
D More or less ; (depends on the state of fuel.)
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
Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are
A Air to open valve with the controller direct acting
B Air to close valve with the controller indirect acting
C Air to open valve with the controller indirect acting
D Air to close valve with the controller direct acting

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