Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 202

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If ${pK}_{b} > {pK}_{a}$ then the solution of the salt of weak acid and weak base will be -

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Important Questions on Equilibrium

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 203

pOH = 7 - 0.5 {pK}_{a} + 0.5 {pK}_{b}

is true for which pair of cation and anion?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 204

The hydrolysis constant of

0.5 M

ammonium benzoate is

6.25 \times 10^{- 6}

. The percentage hydrolysis of the salt is.

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 205

A solution of

0.10 M NaZ

has

pH = 8.90

. The

K_{a}

of

HZ

is:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 206

The

pH

of

0.01 M

sodium acetate solution is :

[K_{a} ({CH}_{3} COOH)] = 2 \times 10^{- 5}

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 207

The

pH

circulating blood is maintained around

7.4

by the action of the buffer system.

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 208

Which of the following does not act as a buffer solution?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 209

Addition of sodium acetate solution to acetic acid cause the following change

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 210

Buffer solutions have constant acidity and alkalinity because?