Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 67

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For a weak acid $HX, K_{a} = 10^{- 4}$ . The degree of dissociation of $10^{- 4} M HX$ is: $(\sqrt{5} = 2.24)$

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Important Questions on Equilibrium

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 68

If each of the following salts has solubility product

Ksp = 1 \times 10^{- 9}

, which of them is least soluble in water?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 69

Which solution has the highest

pH

?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 70

The concentration of

[H^{+}]

and concentration of

[O H^{-}]

of a 0.1 aqueous solution of 2% ionised weak acid is [Ionic product of water

= 1 \times 1 0^{- 14}

]

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 71

The pH of pure water or neutral solution at $50 ° C$ is: $({pK}_{w} = 13.26 at 50 ° C)$

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 72

The Bronsted acids in the reversible reaction are are

{HCO}_{3}^{-} (aq .) + {OH}^{-} (aq) ⇌ {CO}_{3}^{2 -} (aq .) + H_{2} O

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 73

Increasing order of acidic character would be

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 74

The solubility product of

{Ag}_{2} {CrO}_{4}

is

1.9 \times 10^{- 12}

. The volume of water in

mL

that can dissolve

4 mg

{Ag}_{2} {CrO}_{4}

of is about:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 5>Q 75

The salt that when added to water will not change its

pH

is: