Any substance which accepts H+ is base favours the concept___________________?

A. Lowrys
B. Lewis
C. Arrhenius
D. None of these

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

Addition of CH3COOH and CH3COONa gives in water_______________?

A. Standard solution
B. Buffer solution
C. Acidic buffer solution
D. Both b & c

The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?

A. 3
B. 2.7
C. 2
D. 1.5

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

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

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

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

Which one of the following aqueous solutions will be basic ?

A. Naci
B. Na2so4
C. Na2co3
D. Fecl3

Reaction which proceeds in both directions is called_______________?

A. Reversible
B. Irreversible
C. Spontaneous
D. Non-spontaneous