Practice MCQ For Govt Pharmacist Exam, in this article we will solve, Practice MCQ on the topic non-aqueous titrations under the subject Pharmaceutical inorganic chemistry of first semester. Read following article for your reference.
Non-aqueous Titration » PHARMACAREERS
In non-aqueous titrations, which type of solvents are commonly used as the titration medium?
A) Aqueous solvents
B) Non-polar solvents
C) Organic solvents
D) Gaseous solvents
What is the primary advantage of using non-aqueous solvents in titrations over aqueous solvents?
A) Non-aqueous solvents are less expensive.
B) Non-aqueous solvents are environmentally friendly.
C) Non-aqueous solvents can dissolve a wider range of substances.
D) Non-aqueous solvents have a higher heat capacity.
In acidimetry, what type of substances are typically titrated?
A) Acids
B) Bases
C) Neutral substances
D) Non-metallic elements
Which indicator is commonly used in acidimetry titrations to signal the endpoint when titrating acids with a strong base in non-aqueous solvents?
A) Phenolphthalein
B) Bromothymol blue
C) Methyl orange
D) Litmus paper
In alkalimetry, what type of substances are typically titrated?
A) Acids
B) Bases
C) Neutral substances
D) Gases
Which indicator is commonly used in alkalimetry titrations to signal the endpoint when titrating bases with a strong acid in non-aqueous solvents?
A) Phenolphthalein
B) Bromothymol blue
C) Methyl orange
D) Litmus paper
How can you determine the endpoint in non-aqueous titrations when a suitable indicator is not available?
A) By observing a color change in the solvent
B) By measuring the electrical conductivity of the solution
C) By titrating until a specific volume of titrant is added
D) By using a pH meter to monitor pH changes
Sodium benzoate is often estimated by which type of non-aqueous titration?
A) Acidimetry
B) Alkalimetry
C) Redox titration
D) Complexometric titration
In the estimation of Sodium benzoate by acidimetry, what is the titrant commonly used?
A) Hydrochloric acid (HCl)
B) Sodium hydroxide (NaOH)
C) Sulfuric acid (H2SO4)
D) Acetic acid (CH3COOH)
Ephedrine HCl is often estimated by which type of non-aqueous titration?
A) Acidimetry
B) Alkalimetry
C) Redox titration
D) Complexometric titration
What is the primary advantage of using non-aqueous solvents in titrations over aqueous solvents?
A) Non-aqueous solvents are less expensive.
B) Non-aqueous solvents are environmentally friendly.
C) Non-aqueous solvents can dissolve a wider range of substances.
D) Non-aqueous solvents have a higher heat capacity.
In acidimetry, what type of substances are typically titrated?
A) Acids
B) Bases
C) Neutral substances
D) Non-metallic elements
Which indicator is commonly used in acidimetry titrations to signal the endpoint when titrating acids with a strong base in non-aqueous solvents?
A) Phenolphthalein
B) Bromothymol blue
C) Methyl orange
D) Litmus paper
In alkalimetry, what type of substances are typically titrated?
A) Acids
B) Bases
C) Neutral substances
D) Gases
Which indicator is commonly used in alkalimetry titrations to signal the endpoint when titrating bases with a strong acid in non-aqueous solvents?
A) Phenolphthalein
B) Bromothymol blue
C) Methyl orange
D) Litmus paper
How can you determine the endpoint in non-aqueous titrations when a suitable indicator is not available?
A) By observing a color change in the solvent
B) By measuring the electrical conductivity of the solution
C) By titrating until a specific volume of titrant is added
D) By using a pH meter to monitor pH changes
Sodium benzoate is often estimated by which type of non-aqueous titration?
A) Acidimetry
B) Alkalimetry
C) Redox titration
D) Complexometric titration
In the estimation of Sodium benzoate by acidimetry, what is the titrant commonly used?
A) Hydrochloric acid (HCl)
B) Sodium hydroxide (NaOH)
C) Sulfuric acid (H2SO4)
D) Acetic acid (CH3COOH)
Ephedrine HCl is often estimated by which type of non-aqueous titration?
A) Acidimetry
B) Alkalimetry
C) Redox titration
D) Complexometric titration
In non-aqueous titration for the estimation of Sodium benzoate, what is the indicator commonly used to signal the endpoint?
A) Phenolphthalein
B) Methyl orange
C) Bromothymol blue
D) None of the above
What is the chemical formula of Sodium benzoate?
A) NaCl
B) NaHCO3
C) NaC6H5CO2
D) NaOH
Ephedrine HCl is commonly used as a decongestant. What is its chemical structure?
A) C6H5CH2OH
B) C6H5CH2NHCH3
C) C6H5COOH
D) C6H5CH3
Which type of non-aqueous solvent is often used for titrations involving Ephedrine HCl?
A) Acetone
B) Ethanol
C) Chloroform
D) Benzene
When estimating Ephedrine HCl by alkalimetry, which indicator is commonly used to signal the endpoint?
A) Phenolphthalein
B) Methyl orange
C) Bromothymol blue
D) Thymolphthalein
In non-aqueous titrations, what role does the solvent play during the titration process?
A) It acts as the titrant.
B) It dissolves the analyte.
C) It provides color to the solution.
D) It stabilizes the pH.
Why are non-aqueous solvents preferred for certain titrations over aqueous solvents?
A) They are cheaper.
B) They allow better visibility of color changes.
C) They can dissolve a wider range of substances.
D) They are less toxic.
Which of the following is NOT a commonly used non-aqueous solvent in titrations?
A) Acetone
B) Methanol
C) Water
D) Ethyl acetate
What is the endpoint in a titration?
A) The starting point of the titration
B) The point where the indicator changes color
C) The point where the analyte is completely consumed
D) The point where the titrant is added drop by drop
Which type of titration involves the reaction between an acid and a base?
A) Acidimetry
B) Alkalimetry
C) Redox titration
D) Complexometric titration
What is the purpose of standardizing the titrant before performing a titration?
A) To ensure accurate results
B) To reduce waste
C) To speed up the titration process
D) To minimize the use of indicators
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