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Conductometric titration of HCl vs NaOH

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During the initial stage of conductometric titration of HCl vs NaOH, what happens when NaOH is added to the HCl solution?

b: The conductivity of the solution decreases gradually Explanation

Explanation

a: The conductivity of the solution increases gradually Explanation

Explanation

c: The conductivity of the solution remains constant Explanation

Explanation

d: The conductivity of the solution fluctuates randomly Explanation

Explanation

The shape of the initial portion of the titration curve for the conductometric titration of HCl vs NaOH is

a: Sigmoidal Explanation

Explanation

b: Linear Explanation

Explanation

c: Exponential Explanation

Explanation

d: Parabolic Explanation

Explanation

Which of the following statements is FALSE about the equivalence point in the conductometric titration of HCl vs NaOH?

a: At this point the pH is near 7 Explanation

Explanation

b: At this point the conductivity abruptly increases Explanation

Explanation

c: At this point the phenolphthalein indicator will not show a pink colour. Explanation

Explanation

d: At this point the volume of the titrant is equal to the volume of the analyte. Explanation

Explanation

The factor that does NOT affect the accuracy of a conductometric titration is

a: Fluctuation in the temperature. Explanation

Explanation

b: Inadequate stirring after addition of titrant Explanation

Explanation

c: Uncertainty in the volume of the titrant Explanation

Explanation

d: Presence of ionic impurity in the analyte. Explanation

Explanation

Why is the conductivity at the equivalence point not zero?

a: The solution contains hydrated H+ ions. Explanation

Explanation

b: The solution contains dissociated NaCl ions. Explanation

Explanation

c: Water contributes significantly to conductivity. Explanation

Explanation

d: Some unreacted NaOH remains in the solution. Explanation

Explanation

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