AIPMT 2009 | Ionic Equilibrium Question 39 | Chemistry

AIPMT 2009

MCQ (Single Correct Answer)

-1

Which of the following molecules acts as a Lewis acid?

(CH₃)₂O

(CH₃)₃P

(CH₃)₃N

(CH₃)₃B

AIPMT 2009

MCQ (Single Correct Answer)

-1

The ionization constant of ammonium hydroxide is 1.77 $$ \times $$ 10^$$-$$5 at 298 K. Hydrolysis constant of ammonium chloride is

6.50 $$ \times $$ 10^$$-$$12

5.65 $$ \times $$ 10^$$-$$13

5.65 $$ \times $$ 10^$$-$$12

5.65 $$ \times $$ 10^$$-$$10

AIPMT 2009

MCQ (Single Correct Answer)

-1

What is the [OH^$$-$$] in the final solution prepared by mixing 20.0 mL of 0.050 M HCl with 30.0 mL of 0.10 M Ba(OH)₂?

0.40 M

0.0050 M

0.12 M

0.10 M

AIPMT 2008

MCQ (Single Correct Answer)

-1

Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H⁺ ion concentration in the mixture?

3.7 $$ \times $$ 10^$$-$$3 M

1.11 $$ \times $$ 10^$$-$$3 M

1.11 $$ \times $$ 10^$$-$$4 M

3.7 $$ \times $$ 10^$$-$$4 M

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