info@jobexams.pk
Job Exams Hero

Organic Chemistry MCQs

Study key concepts of Organic Chemistry with our structured Organic Chemistry MCQs, tailored for students, teachers, and job seekers preparing for science and chemistry-related exams. These multiple-choice questions cover hydrocarbons, functional groups, alcohols, alkyl halides, carboxylic acids, amines, esters, aromatic compounds, reaction mechanisms, IUPAC nomenclature, stereochemistry, and organic synthesis pathways. Frequently asked in exams conducted by PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and in tests for Lecturer Chemistry, Medical Colleges, and Pharmaceutical roles.

Browse Categories
Quick Results 0 found

Question Coming Soon!

"" isn't in our database yet, but we're adding new questions daily.

1 Organic Chemistry MCQs

The chemical Ethyl Mercaptan, added to LPG cooking gas to give it a detectable smell, is a compound of:

  • Bromine
  • Fluorine
  • Chlorine
  • Sulphur
0 Comments
Correct Answer: D. Sulphur

Explanation:

Ethyl Mercaptan, also known as ethanethiol (C₂H₅SH), is a chemical compound that contains ... Read More Details

2 Organic Chemistry MCQs

What is Marsh Gas?

  • Nitrogen
  • Ethane
  • Methane
  • Hydrogen
0 Comments
Correct Answer: C. Methane

Explanation:

Marsh gas is the common name for methane (CH₄), which is the simplest ... Read More Details

3 Organic Chemistry MCQs

The reaction with Lucas reagent is fastest with which alcohol?

  • (CH₃)₂CHOH (Secondary alcohol)
  • CH₃(CH₂)OH (Long-chain primary alcohol)
  • CH₃CH₂OH (Primary alcohol)
  • (CH₃)₃COH (Tertiary alcohol)
0 Comments
Correct Answer: D. (CH₃)₃COH (Tertiary alcohol)

Explanation:

The Lucas test is a classical method in organic chemistry for distinguishing between ... Read More Details

4 Organic Chemistry MCQs

What is the hybridization of the nitrogen atom in pyridine?

  • sp
  • sp²
  • sp³
  • It is not hybridized
0 Comments
Correct Answer: B. sp²

Explanation:

Pyridine is a six-membered aromatic heterocyclic compound with one nitrogen atom in the ... Read More Details

5 Organic Chemistry MCQs

What is the IUPAC name of pyridine?

  • Azolo
  • Azine
  • Azolidins
  • Diazine
0 Comments
Correct Answer: B. Azine

Explanation:

Pyridine is a basic nitrogen-containing heterocyclic compound. Its structure consists of a six-membered ... Read More Details

6 Organic Chemistry MCQs

The solution that remains after crystals have formed is called what?

  • Mother liquor
  • Dilute solution
  • Residue
  • Both A & B
0 Comments
Correct Answer: A. Mother liquor

Explanation:

In crystallization, a common method for purifying solid compounds, crystals form from a ... Read More Details

7 Organic Chemistry MCQs

Which of the following is an artificial man-made fiber?

  • Boron
  • Saffron
  • Rayon
  • None of these
0 Comments
Correct Answer: C. Rayon

Explanation:

Artificial or man-made fibers are fibers produced from chemical substances rather than obtained ... Read More Details

8 Organic Chemistry MCQs

Benzene mainly undergoes __________?

  • Addition reactions
  • Substitution reactions
  • Halogenation
  • None of the above
0 Comments
Correct Answer: B. Substitution reactions

Explanation:

Benzene (C₆H₆) is the simplest aromatic hydrocarbon and exhibits very unique chemical properties ... Read More Details

9 Organic Chemistry MCQs

Polyamides are synthetic polymers that are commonly known as ?

  • Synthetic
  • Protein
  • Cellulose
  • Nylon
0 Comments
Correct Answer: D. Nylon

Explanation:

Polyamides are a class of synthetic polymers characterized by the presence of repeating ... Read More Details

10 Organic Chemistry MCQs

Out of Alkane, Alkene & Alkyne, which one is more acidic?

  • Alkane
  • Alkene
  • Alkyne
  • All have same
0 Comments
Correct Answer: C. Alkyne

Explanation:

The acidity of hydrocarbons (alkanes, alkenes, alkynes) depends on the stability of the ... Read More Details

Question Categories
General Knowledge Category MCQ'S
Computer Category MCQ'S
Chemistry Category MCQ'S
Pak Departmental Laws & Rules MCQs