Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 68

EASY

NEET

IMPORTANT

Earn 100

Which of the following compound forms an aqueous solution which is acidic when compared with water?

25% studentsanswered this correctly

Important Questions on Equilibrium

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 69

Choose the correct statement(s):

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 70

Which of the given solutions have

pOH = {pK}_{b} ({NH}_{3})

?

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 71

The

pH

of buffer of

{NH}_{4} OH + {NH}_{4} Cl

type is given by:

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 72

Which of the following is not a charcteristic of an indicator?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 73

An acid base indicator is a weak acid with

K_{a} = 10^{- 5}

. What is the

pH

of the solution in which the indicator shows the colour halfway between those of its acidic and basic form?

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 74

Calculate the

pH

at the equivalence point when a solution of

0.1 M

acetic acid is titrated with a solution of

0.1 M NaOH, K_{a}

for acid

= 2 \times 10^{- 5} -

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 75

20 ml

of

0.2 M NaOH

is added to

50 ml

, of

0.2 M {CH}_{3} COOH

to give

70 ml

, of the solution. What is the

pH

of the solution? The ionization constant of acetic acid is

2 \times 10^{- 5} -

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 5 - Equilibrium>Exercise 1>Q 76

What volume of

0.1 M

HCOONa

solution should be added to

50 ml

of

0.05 M

formic acid to produce a buffer solution of

pH = 4.0, {pK}_{a}

of formic acid

= 3.7