Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 47

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IMPORTANT

Earn 100

What is the difference between the ionic product and solubility product?

Important Questions on Equilibrium

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 48

Why common salt is added to precipitate out soap from the solution during its manufacture?

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 49

What is

pH

of our blood? Why does it remain almost constant inspite the variety of foods and species We eat?

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 50

Why is ammonia termed as a base through it does not contain

{OH}^{-}

ions?

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 51

Two sparingly soluble salts

AB

and

{XY}_{2}

have the same solubility product. Which salt will be more soluble ? Explain.

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 52

Benzoic acid is a monobasic acid. When

1.22 g

of its pure sample are dissolved in water and titrated against base,

50 mL

of

0.2 M

NaOH

are used up. Calculate the molar mass of benzoic acid.

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 53

At

25 ° C, 4.0 g

of

NaOH

are dissolved in water to produce solution of volume

1

litre. Find (i) molarity of the solution (ii)

{OH}^{-}

ion concentration (iii)

pH

value of the solution (At. masses (in

u

) :

Na = 23, O = 16, H = 1

)

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 54

Calculate the $pH$ value of: (assume $100 %$ ionization) $10^{- 2}$ molar $HNO$ solution.

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Alpha Question Bank for Engineering: Chemistry>Chapter 5 - Equilibrium>Exercise-1>Q 55

Calculate the $pH$ value of: (assume $100 %$ lonization)

$0.03 M$ $HCl$ solution $(\log 3 = 0.4771)$