AIPMT 2007 | Ionic Equilibrium Question 40 | Chemistry

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AIPMT 2007

MCQ (Single Correct Answer)

-1

Calculate the pOH of a solution at 25^oC that contains 1 $$ \times $$ 10^$$-$$10 M of hydronium ions, i.e. H₃O⁺.

4.000

9.000

1.000

7.000

AIPMT 2006

MCQ (Single Correct Answer)

-1

Which of the following pairs constitutes a buffer?

HCl and KCl

HNO₂ and NaNO₂

NaOH and NaCl

HNO₃ and NH₄NO₃

AIPMT 2006

MCQ (Single Correct Answer)

-1

The hydrogen ion concentration of a 10^$$-$$8 M, HCl aqueous solution at 298 K (K_w = 10^$$-$$14) is

1.0 $$ \times $$ 10^$$-$$8 M

1.0 $$ \times $$ 10^$$-$$6 M

1.0525 $$ \times $$ 10^$$-$$7 M

9.525 $$ \times $$ 10^$$-$$8 M

AIPMT 2005

MCQ (Single Correct Answer)

-1

At 25^oC, the dissociation constant of a base, BOH, is 1.0 $$ \times $$ 10^$$-$$12. The concentration of hydroxyl ions in 0.01 M aqueous solution of the base would be

1.0 $$ \times $$ 10^$$-$$5 mol L^$$-$$1

1.0 $$ \times $$ 10^$$-$$6 mol L^$$-$$1

2.0 $$ \times $$ 10^$$-$$6 mol L^$$-$$1

1.0 $$ \times $$ 10^$$-$$7 mol L^$$-$$1

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