Sum of exponents of molar concentration is called___________________?

Related Mcqs:

1. 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

2. Negative log of mular concentration of H+ ions is called___________________?

   A. pH
   B. pOH
   C. pKa
   D. pKw

3. The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?

   A. vaporization
   B. evaporation
   C. crystallization
   D. sublimation

4. The pressure during the molar heat of fusion is kept________________?

   A. 0 atmosphere
   B. one atmosphere
   C. 2 atmosphere
   D. 10 atmosphere

5. Molar heat of vaporization of water is_________________?

   A. 40.7 KJ/mole
   B. 40.7 J/mole
   C. 40.7 cal/mole
   D. 40.7 Kcal/mole

6. Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?

   A. 16 gmol-1
   B. 32 gmol-1
   C. 48 gmol-1
   D. 64 gmol-1

7. 1 molar solution of glucose in water contains weight of glucose________________?

   A. 180g/dm3
   B. 170g/dm3
   C. 190g/dm3
   D. 195g/dm3

8. The molar mass of an organic acids is determined by____________?

   A. Depression of freezing point
   B. Volumetric method
   C. Victor Meyer’s method
   D. Osmosis method

   Submitted by: Muhammad Ali Kunbhar

9. A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?

   A. C2H6O
   B. C6H18O3
   C. C6H12O6
   D. C2H5O

   Submitted by: Muhammad Ali Kunbhar

10. A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?

    A. C2H4
    B. C3H6
    C. C4H8
    D. C5H10

    Submitted by: Muhammad Ali Kunbhar