Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 2

MEDIUM

11th CBSE

IMPORTANT

Earn 100

Calculate the $pH$ of a solution obtained by mixing equal volumes of $N / 10 NaOH$ and $N / 20 HCl$ .

Important Questions on Ionic Equilibrium in Solution

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 3

Calculate the

pH

value of a mixture containing

50 mL

of

1 N HCl

and

30 mL

of

1 N NaOH

solution, assuming both to be completely dissociated.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 4

A

50 mL

solution of

pH = 1

is mixed with

50 mL

solution of

pH = 2

. What will be the

pH

of the mixture?

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 5

What will be the resultant

pH

when

200 mL

of an aqueous solution of

HCl (pH = 2.0)

is mixed with

300 mL

of an aqueous solution of

NaOH (pH = 12.0)

?

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE

The value of

K_{w}

at a certain temperature is

6.25 \times 10^{- 14}

. Calculate the

pH

of water.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 1

Calculate the

H_{3} O^{+}

ion concentration of a solution having a

pH

of

10.6

.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 2

The

pH

of blood serum is

7.4

. What is the hydrogen ion concentration of blood serum?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 3

Urine has a

pH

of

6.0

. If a patient eliminates

1300 mL

of urine per day, how many gram equivalents of the acid he eliminates per day?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 9 - Ionic Equilibrium in Solution>PROBLEMS FOR PRACTICE>Q 4

Lemon juice has a

pH = 2.1

. If all the acid in lemon is citric acid

(H Cit . ⇌ H^{+} + {Cit}^{- 1})

and

K_{a}

for citric acid is

8.4 \times 10^{- 4} mole / litre

, what is the concentration of citric acid in lemon juice?