Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 57

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Which of the following is the most soluble in water?

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Important Questions on Equilibrium

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 58

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 5>Q 59

Which one is a Lewis acid

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 60

p K_{a}

values of two acids A and B are 4 and 5. The strengths of these two acids are related as

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 61

Which equilibrium can be described as an acid base reaction using the Lewis acid-base definition, but not using the Bronsted-Lowry definition?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 62

The hydride lon

H^{-}

is stronger base than its hydroxide ion

{OH}^{-}

. Which of the following reaction will occur if sodium hydride

(NaH)

is dissolved in water?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 63

A precipitate of

{CaF}_{2} (K_{sp} = 1.7 \times 10^{- 10})

will be obtained when equal volume of the following are mixed

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 64

The degree of hydrolysis of a salt of a weak acid and a weak base in its

0.1 M

solution is found to be

50 %

. If the molarity of the solution is

0.2 M

, then the percentage hydrolysis of the salt should be

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 65

{pK}_{a}

of acetic acid is

4.74 .

The concentration of

{CH}_{3} COOH

solution is

0.01 M

. The

pH

of the soltuion is: