Bsc 2nd Year Organic Chemistry Imp Questions 2023

Today, we would like to serve bsc 2nd year organic chemistry important questions for 2022-2023 session.

These questions are best for practice. 

These are the common questions for the upcoming examinations. 

That means this type of bsc second year organic chemistry important question repeats again and again.

You should focus to practice the question set every day. 

That helps to improve the confidence level to solve organic chemistry bsc 2nd year questions in the examination. 

As you know that the organic chemistry subject is tough.

If you took the interest in this subject then that can be easy for you. 

Organic Compound Chemistry is one such subject that is a bit complicated, if you study with attention and passion then you can become proficient in understanding this topic.

These questions were asked in past organic chemistry examinations and may repeat again in b.sc second year organic chemistry exam. 

So, prepare notes on these questions with concentration. 

Try to prepare answers with the help of a textbook. 

You should read every relevant lesson before solving bsc second year organic chemistry important question.

That answer should be written in your words. 

This process will help you to remember the answer for a very long time. 

You can revise quickly the bsc second year organic chemistry most imp questions answers. 

That will save you time and energy. 

Bsc 2nd year organic chemistry best book for exam preparation are textbooks. 

So read textbooks of chemistry for depth knowledge. 

I would like to give a simple definition of organic chemistry.

Definition of organic chemistry - Let us tell you that organic chemistry is mainly concerned with the scientific study of the structure, properties, chemical reactions, and their formation of chemical compounds containing molecules of carbon and hydrogen. 

This is a simple and understandable definition.

Bsc 2nd Year Organic Chemistry Important Questions 2022-2023

B.sc Second Year Organic Chemistry 1st Paper Important Questions

  • Why the boiling point of alcohol is higher than those of alkanes of similar molecular weight? Explain. 
  • How will you synthesize chlorobenzene, bromobenzene, iodobenzene and fluorobenzene from benzene dizonium salt?
  • Explain the mechanism of the Reimer Tiemann reaction. 
  • Give two methods for the preparation of carboxylic acid. 
  • Write the mechanism of an aldol condensation. 
  • What happened when? (a) Ether reacted with hot concentrated HI or HBr (b) Aldehyde and ketones reacted with Grignard reagents. 
  • Explain the acid and base-catalyzed Nucleophilic addition of carbonyl compounds. 
  • Write notes on the following - (a) Give two methods for the preparation of epoxides (b) How will you distinguish between the primary, secondary and tertiary alcohol? (c) How would you convert Ethylene into Ethylene glycol?
  • Describe the mechanism of nucleophilic substitution reactions of alkyl halides and explain why vinyl chloride is less reactive than ethyl fluoride.

B.sc Second Year Organic Chemistry 2nd Paper Questions

  • What is Diol? ‘Write a method for synthesis of Ethylene glycol.
  • Write the structure and IUPAC name of Picric acid.
  • Explain, why the strength of Chloroacetic acid is more than Acetic acid.
  • What happens when Lactic acid is oxidized by the Fenton reagent? Give reaction also.
  • What is Gomberg's reaction?
  • Write a method of synthesis of mustard gas.
  • Write the product when Anthracene reacts with O2, in the presence of UV light.
  • What do you mean by Frankland reagent?
  • Explain the mechanism of the following reactions:- (a) Hauben — Hoesch synthesis (b) Libermann — Nitroso reaction.
  • Explain the reduction of organic compounds by the Hydride transfer mechanism.
  • How Malic acid is prepared in laboratories?
  • What happens when Malic acid is:- (a) heated at 150-180°C (b) reduced with KI
  • Write the following reactions to interchange : (a) Malonic acid —» Acetic acid (b) Succinic acid —» Ethylene (c) Maleic acid —» Succinic acid (d) Oxalic acid —» Formic acid (e) Acetic acid —» Ethyl acetate
  • Write the structure of the following compounds : (a) Azoxybenzene (b) Benzidine (c) TNT
  • Explain the reduction of the Nitro group in neutral and basic medium.
  • Explain the following :(i) Benzene is more aromatic than Naphthaline. (ii) In Anthracene, electrophilic substitution happens mainly in the 9th & 10th positions.
  • Write notes on the following : (a) Mannich reaction (b) Aldol condensation (c) Clemmenson reduction.
  • Give reasons - (a) Acetamide does not give the reaction of the primary amino group. (b) Acid halide gives nucleophilic substitution easier than Alkyl halide.
  • How Phthalic acid reacts with Na-Hg?
  • Write short notes on the following - (a) TNB (b) Hinsberg test (c) Coupling reaction. 
  • Write short notes on the following: (a) Carb-lithium compound (b) Alizarin (c) Reduction of Anthraquinone.

Bsc 2nd Year Organic Chemistry Important Questions 2022-23 

(Common Questions)

  • Explain the method of preparation of glycol and also describe its properties.
  • Explain the method of preparation of glycerol and describe its properties.
  • Explain the acidic nature of phenol in detail.
  • Explain their organic reaction - Kolbe Schmidt reaction, Riemer-Tiemann reaction, Houben hoesch reaction, pinacol - pinacolone rearrangement reaction
  • Explain these reactions - Perkin reaction, Cannizzaro reaction, knoevenagel reaction, Clemmensen reduction, Wolff-Kishner reduction reaction
  • Explain the structure of the carbonyl group.
  • Explain benzoin condensation in detail.
  • Write and explain the effect of temperature on alpha, beta, and gamma hydroxy acids.
  • How to get the following from acetic acid - acetamide, ethyl acetate
  • Explain claisen condensation.
  • How to separate a mixture of primary, secondary, and tertiary amines by Hinsberg's method.
  • Explain Hoffmann bromamide reaction in detail.
  • What do you understand by Gabriel's phthalimide reaction?
  • Write the method of separation of primary, secondary, and tertiary amines by the Hoffman method.
  • Explain the types of electronic transitions.
  • Explain the Beer-Lambert Law.
  • Explain Woodward Fieser's law completely.
  • What is electromagnetic radiation?
  • Write a short note - Electronic transition in molecules, Baeyer-Villiger Oxidation, sandmeyer reaction, azo coupling reaction, Molar absorbance, chrome enhancer
  • Explain with suitable examples the different types of molecular vibrations that occur in organic compounds.

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