Q.1 In 'AgCl' solution. Some salt of NaCl is added, 'AgCl' will be precipitated due to:
A) Solubility C) Unsaturation effect
B) Electrolyte D) Common ion effect
Q.2 ‘Ka’ for an acid is higher, the stronger is the acid; relate the strength an acid with ‘pKa’
A) Higher pKa, weaker the acid C) pKa has no relation with acid strength
B) Lower pKa, stronger the acid D) Both A and B
A) Solubility C) Unsaturation effect
B) Electrolyte D) Common ion effect
Q.2 ‘Ka’ for an acid is higher, the stronger is the acid; relate the strength an acid with ‘pKa’
A) Higher pKa, weaker the acid C) pKa has no relation with acid strength
B) Lower pKa, stronger the acid D) Both A and B
Q.3 Formation of NH3 is reversible and exothermic process, what will happen on cooling?
A) More reactant will form C) More H2 will be formed
B) More N2 will be formed D) More product (NH3) will be formed
Q.4 A buffer solution is that which resists/minimizes the change in
A) pOH C) pKa
B) pH D) pKb
A) More reactant will form C) More H2 will be formed
B) More N2 will be formed D) More product (NH3) will be formed
Q.4 A buffer solution is that which resists/minimizes the change in
A) pOH C) pKa
B) pH D) pKb
Q.5 The chemical substance, when dissolved in water, gives “H+” is called:
A) Acid C) Amphoteric
B) Base D) Neutral
A) Acid C) Amphoteric
B) Base D) Neutral