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Haloalkanes and Haloarenes

Explain the term nucleophilic substitution reaction and give an example involving a haloalkane.

11/11/2024

Chemistry

12th (Science)

Alcohols, Phenols, and Ethers

Define the term phenol. Explain why phenol is more acidic than alcohol.

11/11/2024

Chemistry

12th (Science)

Aldehydes, Ketones, and Carboxylic Acids

Describe the structure and functional group of a ketone. How does it differ from that of an aldehyde?

11/11/2024

Physics

12th (Science)

Coordination Compounds

What is a ligand? Differentiate between unidentate and bidentate ligands, providing one example of each.

11/11/2024

Physics

12th (Science)

d- and f-Block Elements

Explain why transition elements form colored compounds and have variable oxidation states.

11/11/2024

Physics

12th (Science)

p-Block Elements

Describe the structure and hybridization of phosphorus pentachloride in the solid state.

11/11/2024

Physics

12th (Science)

Surface Chemistry

What is catalysis? Distinguish between homogeneous and heterogeneous catalysis with examples.

11/11/2024

Physics

12th (Science)

Chemical Kinetics

What is the rate constant of a reaction? Describe the relationship between the rate constant and temperature, according to the Arrhenius equation.

11/11/2024

Physics

12th (Science)

Electrochemistry

Define the standard electrode potential. Explain its significance in predicting the spontaneity of redox reactions.

11/11/2024

Chemistry

12th (Science)

Electronic Devices

  1. Explain the working of a junction diode. Describe how it acts as a rectifier.

11/11/2024

Physics

12th (Science)