Practice MCQ For Govt Pharmacist Exam

Practice MCQ For Govt Pharmacist Exam, in this article we will solve, Practice MCQ on the topic diazotization titrations under the subject Pharmaceutical inorganic chemistry of first semester. Read following article for your reference.

Diazotization Titration » PHARMACAREERS

 

What is the primary reactant in a diazotization reaction?

a) Primary aromatic amine

b) Secondary aromatic amine

c) Tertiary aromatic amine

d) Quaternary aromatic amine

 

What is the product of a diazotization reaction?

a) Diazonium salt

b) Diazonium acid

c) Diazonium base

d) Diazonium alkane

 

Which acid is typically used in a diazotization reaction?

a) Sulfuric acid

b) Nitric acid

c) Hydrochloric acid

d) Acetic acid

 

What is the typical temperature for a diazotization reaction?

a) 0-5 °C

b) 25-30 °C

c) 50-55 °C

d) 75-80 °C

 

What is the purpose of a diazotization titration?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

What is the endpoint in a diazotization titration?

a) The change in color

b) The change in temperature

c) The change in pressure

d) The change in volume

 

What is the application of diazotization titration in pharmaceuticals?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

What is the application of diazotization titration in water and wastewater analysis?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

What is the application of diazotization titration in food and beverage analysis?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

What is the application of diazotization titration in organic chemistry?

a) To synthesize various compounds

b) To decompose various compounds

c) To isolate various compounds

d) To purify various compounds

 

What is the direct method of diazotization titration?

a) Treating the given amino group with an acid solution to yield the diazonium salts

b) Adding the excess nitrous acid to the titration solution sample

c) Conversion into diazo oxides rather than the diazo compounds

d) None of the above

 

What is the indirect method of diazotization titration?

a) Treating the given amino group with an acid solution to yield the diazonium salts

b) Adding the excess nitrous acid to the titration solution sample

c) Conversion into diazo oxides rather than the diazo compounds

d) None of the above

 

What is the other method of diazotization titration?

a) Treating the given amino group with an acid solution to yield the diazonium salts

b) Adding the excess nitrous acid to the titration solution sample

c) Conversion into diazo oxides rather than the diazo compounds

d) None of the above

 

What is the purpose of adding ammonium sulfate solution in a diazotization titration?

a) To remove excess nitrous acid

b) To add excess nitrous acid

c) To neutralize the reaction

d) To catalyze the reaction

 

What is the purpose of maintaining the reaction at a low temperature in a diazotization titration?

a) To prevent the decomposition of the diazonium salt

b) To accelerate the decomposition of the diazonium salt

c) To neutralize the reaction

d) To catalyze the reaction

 

What is the purpose of using nitrous acid in a diazotization reaction?

a) To generate diazonium salts

b) To generate diazonium acids

c) To generate diazonium bases

d) To generate diazonium alkanes

 

What is the purpose of using sodium nitrite in a diazotization reaction?

a) To generate nitrous acid

b) To generate nitric acid

c) To generate sulfuric acid

d) To generate hydrochloric acid

 

What is the purpose of using another mineral acid in a diazotization reaction?

a) To generate nitrous acid

b) To generate nitric acid

c) To generate sulfuric acid

d) To generate hydrochloric acid

 

What is the purpose of using primary aromatic amines in a diazotization reaction?

a) To generate diazonium salts

b) To generate diazonium acids

c) To generate diazonium bases

d) To generate diazonium alkanes

 

What is the purpose of using diazonium salts in a diazotization titration?

a) To react with specific reagents to produce a measurable product

b) To react with specific reagents to produce a non-measurable product

c) To react with non-specific reagents to produce a measurable product

d) To react with non-specific reagents to produce a non-measurable product

 

What is the purpose of using specific reagents in a diazotization titration?

a) To react with diazonium salts to produce a measurable product

b) To react with diazonium salts to produce a non-measurable product

c) To react with diazonium acids to produce a measurable product

d) To react with diazonium acids to produce a non-measurable product

 

What is the purpose of using a change in color in a diazotization titration?

a) To detect the endpoint

b) To detect the midpoint

c) To detect the starting point

d) To detect the equilibrium point

 

What is the purpose of using a change in temperature in a diazotization titration?

a) To detect the endpoint

b) To detect the midpoint

c) To detect the starting point

d) To detect the equilibrium point

 

What is the purpose of using a change in pressure in a diazotization titration?

a) To detect the endpoint

b) To detect the midpoint

c) To detect the starting point

d) To detect the equilibrium point

 

What is the purpose of using a change in volume in a diazotization titration?

a) To detect the endpoint

b) To detect the midpoint

c) To detect the starting point

d) To detect the equilibrium point

 

What is the purpose of using diazotization titration in pharmaceuticals?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

What is the purpose of using diazotization titration in water and wastewater analysis?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

What is the purpose of using diazotization titration in food and beverage analysis?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

What is the purpose of using diazotization titration in organic chemistry?

a) To synthesize various compounds

b) To decompose various compounds

c) To isolate various compounds

d) To purify various compounds

 

What is the purpose of using diazotization titration in the analysis of dyes and pigments?

a) To determine the concentration of primary aromatic amines

b) To determine the concentration of secondary aromatic amines

c) To determine the concentration of tertiary aromatic amines

d) To determine the concentration of quaternary aromatic amines

 

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