Ka<10-3 means______________?

Related Mcqs:

1. If a buffer solution of higher pH than seven is to be made we use___________________?

   A. Strong acid and strong base B. Weak acid and strong base C. Weak acid and strong base D. Weak acid and its salt with strong base...

2. AgCl dissolved with conc (2×10-2) Ksp will be__________________?

   A. 3.6 x 10-6 B. 3.6 x 10-5 C. 7.2 x 10-6 D. 4 x 10-4...

3. Conversion of reactant into product in unit time is called________________?

   A. rate of forward reaction B. rate of backward reaction C. rate constant D. rate co-efficient...

4. Unit of Kc is_______________?

   A. moles2dm+6 B. moles-2dm+6 C. moles+2dm-6 D. Kc may or may not have units...

5. 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...

6. Addition of CH3COOH and CH3COONa gives in water_______________?

   A. Standard solution B. buffer solution C. acidic buffer solution D. both B & C...

7. Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?

   A. buffer solution B. normal solution C. standard solution D. neutral solution...

8. Conjugated base of a weak acid is_________________?

   A. weak B. strong C. moderately weak D. unstable...

9. Chemical equilibrium state is_______________?

   A. dynamic state B. static state C. free state D. unidirectional state...

10. At start of reaction the concentration of reactants is_______________?

    A. high B. low C. according to Kc D. constant...