APPLYING NEUTRALIZATION TITRATIONS

Question 1

The substances that produce the most remarkable or pronounced change in the pH of the titration mixture at the equivalence point are

Answer 1

strong acids and strong bases

Question 2

strong acids and strong bases

Answer 2

HCl

Question 3

How can we determine the accurate concentration of these solutions?

Answer 3

Standardization of Solutions

Question 4

are basic and are used for the standardization of acid titrant solutions

Answer 4

primary standards

Question 5

Most Common Titrant Solution

Answer 5

NaOH

Question 6

Can be dried at 100-103C
The end point is in the pH
range (4.5-5)

Answer 6

Tris(hydroxymethyl)aminomethane
TRIS or THAM or
H2NC(CH2OH)3

Question 7

Dissolved in a large excess
of I− or Br− releasing 2 moles
of OH- per mole HgO

Answer 7

Mercuric Oxide, HgO

Question 8

Acts as a diequivalent base
Titrated with methyl red or
methyl orange

Answer 8

Sodium Tetraborate Decahydrate
or Borax, Na2B4O7·10H2O

Question 9

End point of pH 4-5 when
boiled to remove CO2 or pH
3.1 - 4 when CO2 is present

Answer 9

Sodium Carbonate, Na2CO3

Question 10

Since these bases namely are not available in primary standard grade or purity, then, accurate concentration of solutions prepared from these bases are determined by standardization

Answer 10

NaOH, KOH, Ba(OH)2

Question 11

Titrimetric Methods

Answer 11

DIRECT TITRATION METHOD
INDIRECT TITRATION METHOD
BACK-TITRATION METHOD

Question 12

The reactants involved in the titration reaction are primarily the analyte, A, and the titrant, T

Answer 12

Direct Titration

Question 13

Titration Reaction:

Answer 13

aA + tT → pP