In case of gases Kc is replaced by_______________?

Related Mcqs:

1. For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?

   A. Kc is generally greaer than Kp
   B. Kc is generally less than Kp
   C. Kc is generally equal to Kp
   D. Kc is equal to Kp if the total moles of reactants and products are equal

2. Vapour pressure is not affected by_______________?

   A. Surface area
   B. temperature
   C. intermolecular forces
   D. atmospheric pressure

3. The value of activation energy is primarily determined by_______________?

   A. Temperature
   B. Effective collision
   C. Concentration of reactants
   D. Chemical nature of reactants and products

4. Concept of Triads was introduced by_______________?

   A. Dobereiner
   B. Newland
   C. Mendeleev
   D. Al-Razi

5. The diffusion of gases at absolute zero will be________________?

   A. Unchanged
   B. Slightly decreased
   C. Slightly increased
   D. Zero

6. Which of the following option is incorrect about gases ?

   A. All molecules move with same speed
   B. All molecules behave independently
   C. PV / RT = n
   D. All gases cannot be liquefied through Linds Method

7. Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?

   A. Boyle’s law
   B. Charles’ law
   C. Gay-Lussac’s law
   D. Avogadro’s law

   Submitted by: Malik Asghar Hussain

8. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas
   B. Carbon Monoxide Gas
   C. Both at same time
   D. None of them

   Submitted by: Aamir khan Hullio

9. Real gases show ideal behavior at_______?

   A. Low Temp & High Pressure
   B. High Temp & Low Pressure
   C. High Temp & High pressure
   D. Low Temp & Low Pressure

   Submitted by: Zahid Jagirani

10. Which of the following gases when passed through warm dilute solution of H2SO4 in presence of HgSO4 gives acetaldehyde

    A. CH₄
    B. C₂H₆
    C. C₂H₄
    D. C₂H₂

    Submitted by: Aamir khan Hullio