Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?

Related Mcqs:

1. Solution with maximum concentration of solute at given temperature is called________________?

   A. Super saturated solution
   B. unsaturated solution
   C. saturated solution
   D. dilute solution

2. The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?

   A. Dipole-dipole forces
   B. Ion dipole-dipole forces
   C. London dispersion forces
   D. Debye forces

3. As a substance moves from a solid to a liquid all of the following changes occur except ?

   A. molecules become more disordered.
   B. K.E of the molecules decreases
   C. intermolecular forces become weaker.
   D. molecules move more frequently.

4. For which system does the equilibrium constant Kc has unit of (concentration)-1__________________?

   A. N2+3H2 2NH3
   B. H2+I2 2HI
   C. 2NO2 N2H4
   D. PCI5 PCI3+CI2

5. Which of the following will not change the concentration of ammonia at the equilibrium ?

   A. Increase of pressure
   B. Increase of volume
   C. Addition of catalyst
   D. Decrease of temperature

6. When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?

   A. common ion effect
   B. solubility product
   C. dissociation constant
   D. dissociation constant for an acid

7. The highest temperature at which a substance can exist as a liquid is called its______________?

   A. Critical temperature
   B. Standard temperature
   C. Absolute temperature
   D. Upper consulate temperature

8. Which of the following unit of concentration is independent of temperature ?

   A. Molarity
   B. Molality
   C. Mole fraction
   D. all

9. CO2 is gas while SiO2 is solid at room temperature?

   A. carbon is non-metal while silicon is semi-metal
   B. CO2 is an independent molecule while SiO2 has network covalent structure
   C. CO2 forms multiple bond while silicon does not form multiple bonds
   D. Silicon has all sigma bonds

10. Ratio of the amount of solute in organic and aqueous solvent is________________?

    A. Retardation factor
    B. Distribution co-efficient
    C. Distribution in aqueous solution
    D. All statements are wrong