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Chemical Equilibrium ( Chapter Test - Medical)


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20 Questions MCQ Test | Chemical Equilibrium ( Chapter Test - Medical)

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Chemical Equilibrium ( Chapter Test - Medical) - Question 1

For the equilibrium AB(g) ⇔ A(g) + B(g) at a given temperature, the pressure at which 50% of AB is
dissociated is numerically equal to

Chemical Equilibrium ( Chapter Test - Medical) - Question 2

For the equilibrium  MgCO3(s) ⇔ MgO(s) + CO2(g), which of the following expression is correct ?

Chemical Equilibrium ( Chapter Test - Medical) - Question 3

In the reaction  value of the equilibrium constant depends on

Chemical Equilibrium ( Chapter Test - Medical) - Question 4

The conditions which favour the manufacture of ammonia by the reaction (Le-Chatelier’s principle)

Chemical Equilibrium ( Chapter Test - Medical) - Question 5

1 mole of H2 and 2 moles of I2 are taken initially in a 5 litre vessel. If the number of moles of H2 at equilibrium is 0.2, the number of moles of I2 and HI, respectively at equilibrium would be

Chemical Equilibrium ( Chapter Test - Medical) - Question 6

Consider the reaction  2H2 + O2 2H2O.

Which of the following correctly states the expression for the equilibrium constant for this reaction?

Chemical Equilibrium ( Chapter Test - Medical) - Question 7

1.2 moles each of pure acetic acid and 1.2 moles of pure ethanol are subjected to esterification. At
equilibrium 0.4 moles of ester were found to have formed. The equilibrium constant for the reaction

Chemical Equilibrium ( Chapter Test - Medical) - Question 8

At a rather high temperature the Kp values are computed as

What is the Kp for the reaction ?

Chemical Equilibrium ( Chapter Test - Medical) - Question 9

Kc for a reaction A + 2B ⇔ D, is 0.64. What should be the concentration of B when it is in equilibrium with
equimolar quantities of A and D ?

Chemical Equilibrium ( Chapter Test - Medical) - Question 10

In which of the following, Kp is not greater than Kc?

Chemical Equilibrium ( Chapter Test - Medical) - Question 11

Given the equation,

Which combination of pressure and temperature should give the best yield of Z ?

Chemical Equilibrium ( Chapter Test - Medical) - Question 12

The equilibrium constant Kp for the reaction 

is 16. If the volume of the container is reduced to one half of its original volume,the value of Kp for the reaction at the same temperature will be

Chemical Equilibrium ( Chapter Test - Medical) - Question 13

The equilibrium constant for the given reaction is 100.

What is the equilibrium constant for the reaction given below

Chemical Equilibrium ( Chapter Test - Medical) - Question 14

For the reaction,

the formation of Cl(g) is favoured at

Chemical Equilibrium ( Chapter Test - Medical) - Question 15

In the system

doubling the mass of CaO will cause the equilibrium concentration of CO2 to

Chemical Equilibrium ( Chapter Test - Medical) - Question 16

In equilibrium constant expression, concentration of products is taken in/on the

Chemical Equilibrium ( Chapter Test - Medical) - Question 17

Given the equilibrium reaction,

 

This reaction is studied by starting with equal amounts of A and B in a constant-volume vessel. Which of the following expressions will hold good ?

Chemical Equilibrium ( Chapter Test - Medical) - Question 18

In a system

 if the equilibrium concentration of B increases to 8 times, it will cause the equilibrium concentration of C to change to

Chemical Equilibrium ( Chapter Test - Medical) - Question 19

For the heterogeneous equilibrium

the temperature is given by

Chemical Equilibrium ( Chapter Test - Medical) - Question 20

Given 

The equilibrium constant K4 for the following reaction

may be given as

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