AIPMT 2012 Prelims | Ionic Equilibrium Question 29 | Chemistry

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

Equimolar solutions of the following substances were prepared separately. Which one of these will record the highest pH value ?

BaCl₂

AlCl₃

LiCl

BeCl₂

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

pH of a saturated solution of Ba(OH)₂ is 12. The value of solubility product (K_sp) of Ba(OH)₂ is

3.3 $$ \times $$ 10^$$-$$7

5.0 $$ \times $$ 10^$$-$$7

4.0 $$ \times $$ 10^$$-$$6

5.0$$ \times $$ 10^$$-$$6

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

In qualitative analysis, the metals of group I can be separated from other ions by precipitating them as chloride salts. A solution initially contains Ag⁺ and pb²⁺ at a concentration of 0.10 M. Aqueous HCl is added to this solution until the Cl^$$-$$ concentration is 0.10 M. What will the concentrations of Ag⁺ and Pb²⁺ be at equilibrium ?

(K_sp for AgCl = 1.8 $$ \times $$ 10^$$-$$10, K_sp for PbCl₂ = 1.7 $$ \times $$ 10^$$-$$5)

[Ag⁺] = 1.8 $$ \times $$ 10^$$-$$7 M, [Pb²⁺] = 1.7 $$ \times $$ 10^$$-$$6 M

[Ag⁺] = 1.8 $$ \times $$ 10^$$-$$11 M, [Pb²⁺] = 8.5 $$ \times $$ 10^$$-$$5 M

[Ag⁺] = 1.8 $$ \times $$ 10^$$-$$9 M, [Pb²⁺] = 1.7 $$ \times $$ 10^$$-$$3 M

[Ag⁺] = 1.8 $$ \times $$ 10^$$-$$11 M, [Pb²⁺] = 1.7 $$ \times $$ 10^$$-$$4 M

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Which of the following is least likely to behave as Lewis base?

H₂O

NH₃

BF₃

OH^$$-$$

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