B.Sc Chemistry Organic/Inorganic Guess Papers 2023

CHEMISTRY (Paper A)

Inorganic chemistry

• Classification of elements based upon Electronic Configuration.
• Ionization Energy.
• Electrode potential & Electrochemical series & its applications.
• Valence shell Electron pair Repulsion (VSEPR) Theory. Atomic orbital Hybridization.
• Magnetic behaviour of O2 molecule on the basis of Molecular orbital theory (MOT).
• Lewis concept of Acids & bases. Soft & hard acid base (SHAB) concept and its applications.
• Buffer solutions. Common Ion Effect.
• What are the Boranes.
• How they are prepared, also write its uses.
• Allotropy, structure & properties of Allotropic forms of carbon.
• Silicones properties & uses.
• Preparation of urea & superphosphate Fertilizers.
• Thionic acids & use of Hypo in Photography.
• Manufacture of HOSO4.
• Anomalous behaviour of Flourine.
• Interhalogen compounds.
• Oxyacids of chlorine.
• Preparation & properties of XeF2, XeF4, XeFg.
• Uses of Noble Gases.
• Give names of the following coordination compounds or write formulas of the following complexes.
• Chelates & its applications.
• Isomerism of coordination compounds.
• Differentiate between Nuclear Fission & Nuclear Fusion reactions.
• Group Displacement Law.
• Application of Radio Isotopes.
• Write a note on Inorganic polymers, Liquid crystals Semiconductors.

GUESS CHEMISTRY (Paper B)

Organic chemistry

• Write down the structural formulas of the following.
• Write the IUPAC names of the following compounds.
• Synthesis of Naphthalene by Hawords method
• Synthesis of phenol by oxidation of cumene.
• Define & explain optical isomerism giving basic condition for optical activity with examples?
• Discuss rules of the resonance.
• Differentiate between SN1 SN2 mechanism with examples.
• Explain Huckle rule of Aromaticity?
• How Grignard Reagent is prepared? Give its reactions.
• Write a note on Paper chromatography & Thin layer chromatography?
• Write following reactions with the mechanism. (i) Aldol condensation (ii) Pinacol-Pinacolon rearrangement. (iii) Reimer Tiemann reaction (iv) Cannizaro’s reaction (v) Benzoin condensation
• Write notes on any two of the following. (i) Nucleic acid (ii) Protein (iii) Acetoacetic ester synthesis
• How can you distinguish between primary, secondary & Tertiary alcohols?
• Explain methods for the preparation of pyridine?
• What is Diazotization reaction?
• How will you prepare benzenediazonium chloride in laboratory? Give its important synthetic reactions.  (i) Synthesis of Naphthalene by Hawords method (ii) Synthesis of phenol by oxidation of cumene.
• Define & explain optical isomerism giving basic condition for optical activity with examples?
• Discuss rules of the resonance.
• Differentiate between SN1 & SN2 mechanism with examples.
• Explain Huckle rule of Aromaticity?
• How Grignard Reagent is prepared? Give its reactions.
• Write a note on Paper chromatography & Thin layer chromatography?
• Write following reactions with a mechanism. (i) Aldol condensation (ii) Pinacol-Pinacolon rearrangement. (iii) Reimer Tiemann reaction (iv) Cannizaro’s reaction (v) Benzoin condensation
• Write notes on any two of the following: .. (i) Nucleic acid  (ii) Protein (iii) Acetoacetic ester synthesis
• How can you distinguish between primary, secondary & Tertiary alcohols?
• Explain methods for the preparation of pyridine?
• What is Diazotization reaction? How will you prepare benzene diazonium chloride in the laboratory? Give its important synthetic reactions.

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