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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.

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1 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

2 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

3 Organic Chemistry MCQs

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

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

Explanation:

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

4 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

5 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

6 Organic Chemistry MCQs

Polyamides are synthetic polymers that are commonly known as ?

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

Explanation:

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

7 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

8 Organic Chemistry MCQs

Compound containing two halogen atoms on two adjacent carbon atoms are called as ?

  • Glycols
  • Vicinal dihalides
  • Geminal dihalides
  • Diols
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Correct Answer: B. Vicinal dihalides

Explanation:

In organic chemistry, dihalides are compounds that contain two halogen atoms (Cl, Br, ... Read More Details

9 Organic Chemistry MCQs

Ketones and aldehydes can be distinguished using which reagent?

  • Benedict’s solution
  • Fehling’s solution
  • Tollens’ reagent
  • None of these
0 Comments
Correct Answer: C. Tollens’ reagent

Explanation:

Aldehydes and ketones are two important classes of carbonyl compounds in organic chemistry. ... Read More Details

10 Organic Chemistry MCQs

The antiseptic Urotropine is formed from which compound?

  • Carboxylic acid
  • Acetaldehyde
  • Formaldehyde
  • Ketone
0 Comments
Correct Answer: C. Formaldehyde

Explanation:

Urotropine, also known as hexamethylenetetramine, is a crystalline organic compound that has important ... Read More Details

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