Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 160

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Earn 100

Identify the amphoteric species from the following?
(I) $H_{2} O$ (II) ${NH}_{3}$ (III) $H_{2} S O_{4}$ (IV) ${HCO}_{3}^{-}$

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Important Questions on Equilibrium

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 161

Which of the following is the strongest conjugate base ?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 162

Which of the reagents listed below could be added to water to make

0.1 M

solution of

{NH}_{4}^{+}

?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 163

At infinite dilution, the percentage ionisation for both strong and weak electrolytes is:

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 164

Ostwald's dilution law gives satisfactory results with the solution of which electrolyte?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 165

Aniline is a very weak base. Which of the given aniline solution will have the highest degree of dissociation?

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 166

pH

of human blood is

7.4

. Then

H^{+}

concentration will be

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 167

The concentration of

H_{3} O^{+}

ions in pure water is

10^{- 6} mol {dm}^{- 3}

. The corresponding concentration of

{OH}^{-}

ions will be :

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Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 168

pH

of pure water is

7

at

298 K

. If the solution is heated to

320 K

, which of the following statement is true?