Bsc 1st Year Organic Chemistry Important Questions 2022-2023

Today we are going to discuss bsc 1st year organic chemistry important questions for the 2022-2023 session. 

These questions are very important for upcoming examinations. 

These 1st year organic chemistry important questions have already been asked in previous examinations. 

But still, these questions are hot for another exam. 

These questions will help you to understand the pattern of the exam paper. 

If you are serious about the preparation of bsc first year organic chemistry exam, then focus on the last 3 to 4 years' questions set. 

That practice makes you perfect to understand the questions of organic chemistry 1st year in a proper manner. 

That will be base for the examination preparations.

Today it is very difficult to you to guess the question, which is most important for the exam. 

To answer the questions you should read the relevant chapter from your textbook. 

After that start to write the answer to the below questions in your words. 

That helps you to prepare a decent note of bsc 1st year organic chemistry paper. 

You should also focus to memorize the formula (if any) to solve the questions. 

The best way to memorize the formula of bsc organic chemistry 1st year is to write in copy. 

The main effort to write the answer to these questions should be prepared with the help of your organic chemistry bsc 1st year textbook. 

That will be an authentic note of organic chemistry. 

Organic chemistry bsc part 1 past papers help to get higher marks in examinations. 50% to 60% of questions repeat in the exam. 

So previous year's questions collection is the best way of exam preparation.

Organic Chemistry Bsc 1st Year 1st Year Organic Chemistry Important Questions 1st Year Organic Chemistry Paper 1 Questions

  • What is the Bohr-Somerfield model of the Atom? What is its limitation?
  • Write down all the quantum numbers for 4S1 and 5f 3 orbitals 
  • What are the values of n, l, m and s quantum number values for the last electrons enters in the orbital of the following atom: V23, Cu29, Br35
  • What is the common ion effect? How does a common ion affect the solubility of salt? Describe the application of common ion effect and solubility product in the salt analysis?
  • Write down the important ores of Boron? How is Boron extracted from its ores? Describe the diagonal relationship between Boron and silicon? How does Boron react with (a) H2SO4 (b) NaOH
  • What are noble gases? Why they are called inert gases? How noble gases are isolated from atmospheric air? How they are separated from each other? 
  • Write notes on any two:- (a) ionization potential (b) Electron Affinity (c) Electronegativity
  • What is Hybridization? Determine the hybridization structure and shape of the following molecules:- H2O, NH3, CH4, Bcl3
  • What are the sigma (δ) and Pai (π) Bonds that Distinguish between them?
  • Draw the shape of all five d-orbitals?
  • Explain the following terms:- (a) Most probable velocity of a gas (b) Average velocity (c) Root mean square velocity 
  • Explain the following of any two:- (a) PH of solution (b) Lewis concept of acid and bases (c) Buffer solution
  • Explain the effect of concentration on all the terms:- (a) Conductance (b) Specific Conductance (c) Equivalent Conductance
  • Define the First Law of thermodynamics. Explain the mathematical statement of the Law? 
  • What are extensive and intensive properties?
  • Derive an expression for the work done in the isothermal reversible expansion of an ideal gas?
  • Distinguish between heat and work?
  • What is the order of reaction? What are the methods to determine the order of reaction? Explain at least one. 
  • How Aniline is prepared in the laboratory? Give its reaction with (a) Hcl (b) CH3I (c) HNO2
  • How Tartaric acid can be manufactured from Argol? Give its reaction with (a) HBr (b) HI 
  • Give the concept of open chain structure and ring chain structure of fructose?
  • How nitrobenzene is prepared in the laboratory? How nitrobenzene reacts with Sn/Hcl 
  • Write notes on any two of the following:- (a) Perkin Reaction (b) Friedel Craft Reaction (c) Cannizaro Reaction 1st Year Organic Chemistry Paper 2 Questions

  • State and explain the First Law of Thermodynamics?
  • Derive a relation between heat capacity at constant pressure and constant number?
  • Why does a solution exhibit abnormal osmotic pressure? What is Van't Hoff factor and how it is related to the degree of dissociation of an electrolyte?
  • Write notes on any two:- (a) Extensive and intensive properties (b) Abnormal Colligative properties (c) Work done in the isotheral process
  • What are alcohols and how they are classified? How you will distinguish between primary secondary and tertiary alcohols? Give equations wherever possible?
  • How Urea is prepared? Explain why urea is basic? How would you identify urea in Laboratory? How urea reacts with - (a) hydrazine and (b) nitrous acid.
  • What is the chief source of citric acid? How it is obtained in a pure state? Establish the structure of citric acid?
  • Explain the molecular weight determination of organic acids by the silver salt method?
  • How will you synthesize the following compounds from malonic ester- (a) Succinic acid (b) Cinnamic acid (c) Acetoacetic acid
  • Write notes on the following:- (a) Hyperconjugation (b) Inductive effect (c) Tetraralency of carbon

Bsc 1st Year Chemistry Organic

Organic Chemistry Bsc 1st Year Most Important Questions 2022-2023

  • Why is chloroacetic acid stronger than acetic acid?
  • Comment on carbon with diamond structure.
  • Write a Comment on Wurtz's Reaction
  • Write the full name, method, and use of preparation of BHC
  • How is methyl amino a stronger base than ammonia?
  • Comment on racemic and misson forms
  • How do you get B-Naphthalene and Aspirin from Naphthalene
  • Write a note on Collapsing of Covalent Bonds
  • What is Corey House Synthesis?
  • Briefly describe the stability and structure of butadiene
  • Describe the method and use of isoprene
  • Write in detail Bayer's Deformation theory and its application, as well as discuss the drawbacks and modifications of the theory.
  • Write a note - saytzeff law, ozonization, hydroboration-oxidation reaction, Kolbe electrolysis reaction
  • Explain the structure of benzene
  • Explain what is geometric isomerism and describe in detail the isomerism of maleic and fumaric acids.
  • How will you determine the configuration of isomer compounds?
  • Comment on Walden's inversion
  • Explain isomers images and converse isomerism
  • State the mechanism of dehydration of alcohol
  • Write the mechanism of nitrification of benzene
  • Explain - chlorobenzene nucleus 
  • Explain - Haeckel's law, Formation of benzene
  • Explain Direct Thermal Desorption i.e. DTD
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