Related Questions

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
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 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
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.)
Fill in the blanks : He could not dissociate himself --------what he said earlier.
A off
B with
C from
D of
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants)
A A
B N
C A+N
D A-N
In an exothermic chemical reaction, the reactants compared to the products have
A Higher temperature
B More energy
C Less energy
D Same energy
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
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is
A 0
B 1
C 2
D 3
Rate of chemical reaction is not much affected, if the reactants are in __________ form.
A Solids
B Liquids
C Either A or B
D Gaseous

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