Top 150+ Solved Pharmaceutical Organic Chemistry 1 MCQ Questions Answer

From 46 to 60 of 171

Q. Which of the following will not give iodoform test ?

a. Isopropyl alcohol

b. Ethanol

c. Ethanal

d. Benzyl alcohol

  • d. Benzyl alcohol

Q. What is color is Chloral hydrate?

a. Yellow

b. White

c. Colourless

d. None

  • c. Colourless

Q. Aldol condensation is dose not ocurre between………..

a. Two different ketone

b. Two different aldehyde

c. An ketone and aldehyde

d. An aldehyde and ester

  • d. An aldehyde and ester

Q. In which of the following reaction new carbon carbon bond is not formed?

a. Cannizzaro reaction

b. Friedel craft reaction

c. Wurtz reaction

d. Aldol condensation

  • a. Cannizzaro reaction

Q. Aromatic aldehydes reduce…………

a. Tollen’s reagent

b. Benedict’s reagent

c. Fehling reagent

d. All of above

  • a. Tollen’s reagent

Q. Cross Cannizzaro reaction is given by………..

a. C6H5CHO

b. C6H5CHO

c. CH3CHO

d. All of above

  • a. C6H5CHO

Q. The product formed in aldol condensation is…………….

a. Beta hydroxy acid

b. Beta hydroxy aldehyde or ketone

c. Alpha, beta unsaturated ester

d. Alpha, hydroxy aldehyde or ketone

  • b. Beta hydroxy aldehyde or ketone

Q. In which type of reaction cyanohydrin formed from acetone?

a. Nucleophilic substitution

b. Electrophilic substitution

c. Nucleophilic addition

d. Electrophilic addition

  • c. Nucleophilic addition

Q. Which of the following react with water?

a. ClCH2CH2Cl

b. Cl3CCHO

c. CCl4

d. All of above

  • b. Cl3CCHO

Q. What is carbonyl group?

a. OH

b. C=O

c. C- O

d. None of above

  • b. C=O

Q. Which group is present on alcohol.

a. OH

b. C=O

c. CHO

d. NO2

  • a. OH

Q. Which suffix attached in alcohol.

a. En

b. Ol

c. Ene

d. Hyde

  • b. Ol

Q. Butane-2-ol is …….

a. Primary alcohol

b. Secondary alcohol

c. Tertiary alcohol

d. Aldehyde

  • b. Secondary alcohol

Q. Pentanol is a……..

a. Primary alcohol

b. Secondary alcohol

c. Tertiary alcohol

d. None of these

  • c. Tertiary alcohol
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