60 Questions
What is the DEFINITION of the endpoint in a titration?
The point where the indicator changes color, signifying the reaction's completion
What is the STOICHIOMETRIC RATIO between oxalic acid (H2C2O4) and sodium hydroxide (NaOH) in their titration reaction?
1:2
Which of the following is NOT a piece of APPARATUS used in a standard acid-base titration?
pH meter
What is the MAIN PURPOSE of preparing a STANDARD SOLUTION in a titration?
To determine the unknown concentration of the acid or base
Which SAFETY PRECAUTION should be taken when performing acid-base titrations?
All of the above
What is the FORMULA used to calculate the unknown concentration of the base solution in an acid-base titration?
$C_a V_a = C_b V_b$
Which INDICATOR is suitable for a titration between a STRONG ACID and a STRONG BASE?
Phenolphthalein
What is the RECOMMENDED PROCEDURE for ENSURING RELIABLE RESULTS in an acid-base titration?
Both b and c
What is the MAIN PURPOSE of the TITRATION PROCESS in an acid-base reaction?
To find the concentration of the unknown solution
Which type of ACID-BASE TITRATION would have an EQUIVALENCE POINT above pH 7?
Weak acid-strong base
What is the primary purpose of an acid-base titration?
To determine the concentration of an unknown acid or base solution
Which indicator is suitable for titrations involving strong acids and weak bases?
Methyl Orange
What is the purpose of an indicator in an acid-base titration?
To determine the equivalence point of the titration
Which indicator is best for titrations of strong bases and weak acids?
Phenolphthalein
What is the equivalence point in an acid-base titration?
The stage where the amount of added titrant is stoichiometrically equivalent to the quantity of substance in the sample
Which indicator is effective for titrations involving strong acids with strong bases?
Bromothymol Blue
What is the difference between the equivalence point and the endpoint in an acid-base titration?
The equivalence point is when the stoichiometric amounts are equal, and the endpoint is when the indicator changes color
Which of the following is NOT a factor in choosing an indicator for an acid-base titration?
The concentration of the titrant solution
What is the purpose of using a titrant of known concentration in an acid-base titration?
To determine the concentration of the unknown solution
Which statement about acid-base titrations is correct?
The indicator changes color at the equivalence point
What is the purpose of performing stoichiometric calculations in an acid-base titration?
To determine the molar ratio between the acid and base in the reaction
What is the main purpose of using a standard solution in an acid-base titration?
To determine the concentration of the unknown solution
Which indicator is most suitable for titrating a strong acid with a strong base?
Phenolphthalein
What is the formula used to calculate the unknown concentration of the base solution in an acid-base titration?
$C_a V_a = C_b V_b$
What is the purpose of the titration process in an acid-base reaction?
To find the unknown concentration of one of the solutions
What is the recommended procedure for ensuring reliable results in an acid-base titration?
Perform multiple titrations and take the average
Which of the following is NOT a factor in choosing an indicator for an acid-base titration?
The volume of the titrant required to reach the endpoint
What is the difference between the equivalence point and the endpoint in an acid-base titration?
The equivalence point is the point where the reaction is complete, while the endpoint is the point where the indicator changes color.
What is the stoichiometric ratio between oxalic acid (H2C2O4) and sodium hydroxide (NaOH) in their titration reaction?
1:2
Which indicator is suitable for titrations involving strong acids and weak bases?
Methyl orange
Which step is crucial in determining the endpoint of an acid-base titration?
Selecting the appropriate indicator
At what point in an acid-base titration is the amount of added titrant stoichiometrically equivalent to the quantity of the sample?
Equivalence point
Which factor should NOT be considered when choosing an indicator for an acid-base titration?
The cost of the indicator
If the titration involves a strong acid and a weak base, which indicator would be most suitable?
Methyl orange
What is the primary reason for using a titrant of known concentration in an acid-base titration?
To determine the concentration of the unknown solution
Which statement about the equivalence point and endpoint in an acid-base titration is correct?
The equivalence point and endpoint may or may not coincide
In a titration between a strong acid and a strong base, which indicator would be most appropriate?
Bromothymol blue
What is the primary purpose of preparing a standard solution in an acid-base titration?
To determine the concentration of the unknown solution
Which type of acid-base titration would have an equivalence point above pH 7?
Weak acid with strong base
What is the recommended procedure for ensuring reliable results in an acid-base titration?
Perform the titration in triplicate and take the average
Which of the following is the MAIN PURPOSE of performing STOICHIOMETRIC CALCULATIONS in an acid-base titration?
To determine the concentration of the unknown solution based on the balanced chemical equation
In a titration between a WEAK ACID and a STRONG BASE, which INDICATOR would be MOST SUITABLE?
Phenolphthalein
What is the STOICHIOMETRIC RATIO between OXALIC ACID (H2C2O4) and SODIUM HYDROXIDE (NaOH) in their TITRATION REACTION?
1:2
Which of the following is the FORMULA used to CALCULATE the UNKNOWN CONCENTRATION of the BASE SOLUTION in an ACID-BASE TITRATION?
$C_a V_a = C_b V_b$
Which of the following SAFETY PRECAUTIONS should be taken when performing ACID-BASE TITRATIONS?
All of the above
What is the PRIMARY PURPOSE of preparing a STANDARD SOLUTION in an ACID-BASE TITRATION?
To ensure the accuracy of the titration measurements
Which INDICATOR is MOST SUITABLE for a TITRATION between a STRONG ACID and a STRONG BASE?
Phenolphthalein
What is the PRIMARY PURPOSE of the TITRATION PROCESS in an ACID-BASE REACTION?
To determine the concentration of the unknown solution
Which STEP is CRUCIAL in DETERMINING the ENDPOINT of an ACID-BASE TITRATION?
Measuring the volume of the titrant
What is the DEFINITION of the ENDPOINT in an ACID-BASE TITRATION?
The point at which the indicator changes color
What is the primary purpose of using a titrant of known concentration in an acid-base titration?
To determine the concentration of the unknown analyte solution
Which indicator would be most suitable for a titration between a strong acid and a weak base?
Methyl orange
What is the primary difference between the equivalence point and the endpoint in an acid-base titration?
The equivalence point is the point where the titrant and analyte are stoichiometrically equivalent, while the endpoint is the point where the indicator changes color.
Which of the following is NOT a factor to consider when choosing an indicator for an acid-base titration?
The melting point of the indicator
What is the primary purpose of preparing a standard solution in an acid-base titration?
To determine the concentration of the unknown analyte solution
What is the STOICHIOMETRIC RATIO between oxalic acid (H2C2O4) and sodium hydroxide (NaOH) in their titration reaction?
1:2
Which indicator would be most suitable for a titration between a strong acid and a strong base?
Bromothymol blue
What is the FORMULA used to calculate the unknown concentration of the base solution in an acid-base titration?
C_unknown = (V_unknown * C_titrant) / V_titrant
Which type of acid-base titration would have an equivalence point above pH 7?
Titration of a weak acid with a strong base
What is the primary reason for using a titrant of known concentration in an acid-base titration?
To determine the concentration of the unknown analyte solution
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