Explore topic-wise MCQs in Organic Chemistry.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Predict the major product of the following reaction.

A. o-nitrobenzaldehyde and p-nitrobenzaldehyde
B. m-nitrobenzaldehyde
C. o-formylbenzenesulfonic acid and p-formylbenzenesulfonic acid
D. m-formylbenzenesulfonic acid
Answer» C. o-formylbenzenesulfonic acid and p-formylbenzenesulfonic acid
Discussion
2.

Nitration of furan using acetyl nitrate also leads to a 2,5-addition product. How can this competing process be suppressed?

A. By using concentrated nitric and sulfuric acids instead of acetyl nitrate
B. By carrying out the reaction at higher temperatures
C. By carrying out the nitration in the presence of pyridine
D. By using nitric acid instead of acetyl nitrate
Answer» D. By using nitric acid instead of acetyl nitrate
Discussion
3.

What will be the product if 1,1-halonitroalkane undergoes nucleophilic aliphatic substitution reaction in presence of potassiam hydroxide?

A. 1,1-dinitro dimer
B. 1,2-dinitro dimer
C. 1.-nitro compound
D. 2-nitrocompound
Answer» C. 1.-nitro compound
Discussion
4.

What is the name of the following reaction?

A. Ter meer reaction
B. Riemer tiemann reaction
C. Perkin condensation
D. Ullmann reaction
Answer» B. Riemer tiemann reaction
Discussion
5.

Which of the following is used as a reactant for the nitration of benzene to form nitrobenzene?

A. HNO2
B. HNO3
C. Mixture of HNO2 AND HNO3
D. Mixture of HNO2 and H2SO4
Answer» D. Mixture of HNO2 and H2SO4
Discussion
6.

NITRATION_OF_FURAN_USING_ACETYL_NITRATE_ALSO_LEADS_TO_A_2,5-ADDITION_PRODUCT._HOW_CAN_THIS_COMPETING_PROCESS_BE_SUPPRESSED??$

A. By using concentrated nitric and sulfuric acids instead of acetyl nitrate
B. By carrying out the reaction at higher temperatures
C. By carrying out the nitration in the presence of pyridine
D. By using nitric acid instead of acetyl nitrate
Answer» D. By using nitric acid instead of acetyl nitrate
Discussion
7.

Which combination of reagents used in the indicated order with benzene will give m-nitropropylbenzene?

A. HNO<sub>3</sub>/H<sub>2</sub>SO<sub>4</sub>, 2) CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Cl/AlCl<sub>3</sub>
B. CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Cl/AlCl<sub>3</sub>, 2) HNO<sub>3</sub>/H<sub>2</sub>SO<sub>4</sub>
C. CH<sub>3</sub>CH<sub>2</sub>COCl/AlCl<sub>3</sub>, 2) HNO<sub>3</sub>/H<sub>2</sub>SO<sub>4</sub>, 3) H<sub>2</sub>NNH<sub>2</sub>/NaOH
D. HNO<sub>3</sub>/H<sub>2</sub>SO<sub>4</sub>, 2) CH<sub>3</sub>CH<sub>2</sub>COCl/AlCl<sub>3</sub>, 3) H<sub>2</sub>NNH<sub>2</sub>/NaOH
Answer» E.
Discussion
8.

Which of the following is not a natural occurring nitro compound?

A. Chloramphenicol
B. 2-Nitrophenol
C. 3-Nitropropionic acid
D. nitrobenzene
Answer» E.
Discussion
9.

What will be the product if 1,1-halonitroalkane undergoes nucleophilic aliphatic substitution reaction in presence of ethanol?

A. 1,1-dinitro dimer
B. 1,2-dinitro dimer
C. 1.-nitro compound
D. 2-nitrocompound
Answer» B. 1,2-dinitro dimer
Discussion
10.

In Ter Meer reaction, a method of preparation of nitro compound, which of the following used as reagent?

A. HNO<sub>2</sub>
B. HNO<sub>3</sub>
C. NaNO<sub>2</sub>
D. RX (alkyl halide)
Answer» D. RX (alkyl halide)
Discussion
11.

Which of the following is used as a reactant for the nitration of benzene to form nitrobenzene?

A. HNO<sub>2</sub>
B. HNO<sub>3</sub>
C. Mixture of HNO<sub>2</sub> AND HNO<sub>3</sub>
D. Mixture of HNO<sub>2</sub> and H<sub>2</sub>SO<sub>4</sub>
Answer» D. Mixture of HNO<sub>2</sub> and H<sub>2</sub>SO<sub>4</sub>
Discussion