AIPMT 2001 | Ionic Equilibrium Question 54 | Chemistry

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AIPMT 2001

MCQ (Single Correct Answer)

-1

In HS^$$-$$, I^$$-$$, R $$-$$ NH₂, NH₃ order of proton accepting tendency will be

I^$$-$$ > NH₃ > R $$-$$ NH₂ > HS^$$-$$

NH₃ > R $$-$$ NH₂ > HS^$$-$$ > I^$$-$$

R $$-$$ NH₂ > NH₃ > HS^$$-$$ > I^$$-$$

HS^$$-$$ > R $$-$$ NH₂ > NH₃ > I^$$-$$

AIPMT 2001

MCQ (Single Correct Answer)

-1

Ionisation constant of CH₃COOH is 1.7 $$ \times $$ 10^$$-$$5 and concentration of H⁺ ions is 3.4 $$ \times $$ 10^$$-$$4. Then find out initial concentration of CH₃COOH molecules.

3.4 $$ \times $$ 10^$$-$$4

3.4 $$ \times $$ 10^$$-$$3

6.8 $$ \times $$ 10^$$-$$4

6.8 $$ \times $$ 10^$$-$$3

AIPMT 2001

MCQ (Single Correct Answer)

-1

Correct relation between dissociation constants of a dibasic acid is

K_a₁ = K_a₂

K_a₁ > K_a₂

K_a₁ < K_a₂

K_a₁ = $${1 \over {{K_{{a_2}}}}}$$

AIPMT 2000

MCQ (Single Correct Answer)

-1

Which statement is wrong about pH and H⁺?

pH of neutral water is not zero.

Adding 1 N solution of CH₃COOH and 1 N solution of NaOH, pH will be seven.

[H⁺] of dilute and hot H₂SO₄ is more than concentrated and cold H₂SO₄

Mixing solution of CH₃COOH and HCl. pH will be less than 7.

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