Titration Quiz 2

Acidity of base is defined as:

• The ability to release protons

• The ability to accept hydroxide ions

• The ability to donate protons

• The ability to accept protons or donate hydroxide ions

Basicity of Acid is defined as:

• The concentration of an acid solution

• The number of oxygen atoms it contains

• The number of hydrogen ions that can be donated by the acid.

• The ability to accept hydrogen ions.

Which is the list of strong acids:

• NaOH, KOH, Mg(OH)₂

• CH₃COOH, H₂C₂O_4, C₆H₅COOH

• HCl, HNO₃, H₂SO₄

• Na₂CO₃, K₂CO₃, NaHCO₃, KHCO₃

Answer explanation

Strong Base:

NaOH, KOH, Mg(OH)₂

Strong Acid:

HCl, HNO₃, H₂SO₄

Weak Base:

Na₂CO₃, K₂CO₃, NaHCO₃, KHCO₃

Weak Acid:

CH₃COOH, H₂C₂O_4, C₆H₅COOH

The acidity of NaOH, KOH, NH₄OH & Mg(OH)₂ are

• 1,2,3,4 respectively

• 1,2,2,1 respectively

• 1,1,1,2 respectively

• 1,2,1,2 respectively

The basicity of HCl, HNO₃, H₂C₂O_4, H₂SO₄ & CH₃COOH are

• 1,2,3,4,5 respectively

• 1,1,2,2,1 respectively

• 1,1,2,2,4 respectively

• 1,2,1,2,1 respectively

Given N/60 of HCl, Find out Normality & Amount of KOH in 2 dm³. Choose the correct volume used for calculations

• V_A = CR

  V_B = 10.0 cm³

  for Amount = 2000 cm³

• V_A = 2000 cm³

  V_B = 10.0 cm³

  for Amount = CR

• V_A = 10.0 cm³

  V_B = CR

  for Amount = 2000 cm³

• V_A = 10.0 cm³

  V_B = 2000 cm³

  for Amount = CR

In the Given objects, In which experiment, Phenolphthalein is not used as an indicator

• Given N/60 of HCl, Find out Normality & Amount of KOH in 2 dm³

• Given 0.05 N NaOH, Find Normality & Amount of H₂SO₄ in g/600cm³

• Given 0.1 N NH₄OH, Find Normality & Amount of HNO₃ in g/420cm³

• Given N/15 KHCO₃, Find Normality & Amount of HNO₃ in g/1300cm³

Answer explanation

When hydroxide Base (OH) is used, phenolphthalein is used as an indicator

When phenolphthalein is used as an indicator, base in taken in:

• flask

• pipette

• beaker

• burette

The main reason for incorrect burette reading is/are:

• Funnel from burette & bubbles from jet are not removed

• Burette is not erect and Reading is not taken at eye level

• End point is not light pink

• All of these

If instead of normality, we are given to find molarity, What is the formula we will used?