Organic Chemistry

Alcohols, Phenols and Ethers Aldehydes and Ketones Amines - Preparation & Properties Aromatic Compounds and Electrophilic Substitution Aromatic Compounds and Electrophilic Substitution - Advanced Concepts Aromatic Compounds and Electrophilic Substitution - Applications Aromatic Compounds and Electrophilic Substitution - Case Studies Aromatic Compounds and Electrophilic Substitution - Competitive Exam Level Aromatic Compounds and Electrophilic Substitution - Higher Difficulty Problems Aromatic Compounds and Electrophilic Substitution - Numerical Applications Aromatic Compounds and Electrophilic Substitution - Problem Set Aromatic Compounds and Electrophilic Substitution - Real World Applications Atomic Structure - Quantum Model Biomolecules Chemical Bonding - Hybridization Chemical Kinetics Advanced Coordination Compounds - Werner Theory D & F Block Elements Electrochemistry Advanced Functional Groups and Nomenclature Functional Groups and Nomenclature - Advanced Concepts Functional Groups and Nomenclature - Applications Functional Groups and Nomenclature - Case Studies Functional Groups and Nomenclature - Competitive Exam Level Functional Groups and Nomenclature - Higher Difficulty Problems Functional Groups and Nomenclature - Numerical Applications Functional Groups and Nomenclature - Problem Set Functional Groups and Nomenclature - Real World Applications Haloalkanes & Haloarenes Hydrocarbons - Reaction Mechanisms Hydrocarbons: Alkanes, Alkenes, Alkynes Hydrocarbons: Alkanes, Alkenes, Alkynes - Advanced Concepts Hydrocarbons: Alkanes, Alkenes, Alkynes - Applications Hydrocarbons: Alkanes, Alkenes, Alkynes - Case Studies Hydrocarbons: Alkanes, Alkenes, Alkynes - Competitive Exam Level Hydrocarbons: Alkanes, Alkenes, Alkynes - Higher Difficulty Problems Hydrocarbons: Alkanes, Alkenes, Alkynes - Numerical Applications Hydrocarbons: Alkanes, Alkenes, Alkynes - Problem Set Hydrocarbons: Alkanes, Alkenes, Alkynes - Real World Applications Isomerism and Stereochemistry Isomerism and Stereochemistry - Advanced Concepts Isomerism and Stereochemistry - Applications Isomerism and Stereochemistry - Case Studies Isomerism and Stereochemistry - Competitive Exam Level Isomerism and Stereochemistry - Higher Difficulty Problems Isomerism and Stereochemistry - Numerical Applications Isomerism and Stereochemistry - Problem Set Isomerism and Stereochemistry - Real World Applications P-Block Elements Polymers Reaction Mechanisms: Substitution, Addition, Elimination Reaction Mechanisms: Substitution, Addition, Elimination - Advanced Concepts Reaction Mechanisms: Substitution, Addition, Elimination - Applications Reaction Mechanisms: Substitution, Addition, Elimination - Case Studies Reaction Mechanisms: Substitution, Addition, Elimination - Competitive Exam Level Reaction Mechanisms: Substitution, Addition, Elimination - Higher Difficulty Problems Reaction Mechanisms: Substitution, Addition, Elimination - Numerical Applications Reaction Mechanisms: Substitution, Addition, Elimination - Problem Set Reaction Mechanisms: Substitution, Addition, Elimination - Real World Applications Solution & Colligative Properties States of Matter - Real Gases Surface Chemistry Thermodynamics Advanced
Q. Which of the following substituents is a strong electron-donating group that activates the benzene ring towards electrophilic substitution?
  • A. Nitro group (-NO2)
  • B. Hydroxyl group (-OH)
  • C. Carboxylic acid (-COOH)
  • D. Halogens (-X)
Q. Which of the following substituents on a benzene ring is a strong electron-donating group?
  • A. Nitro group (-NO2)
  • B. Hydroxyl group (-OH)
  • C. Carboxyl group (-COOH)
  • D. Methyl group (-CH3)
Q. Which polymer is known for its use in making plastic bottles and containers?
  • A. Polyethylene terephthalate (PET)
  • B. Polylactic acid (PLA)
  • C. Polyvinyl chloride (PVC)
  • D. Polypropylene (PP)
Q. Which position on the benzene ring does a nitro group preferentially substitute when starting from nitrobenzene?
  • A. Ortho
  • B. Meta
  • C. Para
  • D. All positions equally
Q. Which reaction mechanism is involved in the hydration of alkenes?
  • A. Electrophilic addition
  • B. Nucleophilic substitution
  • C. Free radical substitution
  • D. Elimination
Q. Which reaction mechanism is primarily involved in the addition of HBr to an alkene?
  • A. Electrophilic addition
  • B. Nucleophilic substitution
  • C. Radical substitution
  • D. Elimination
Q. Which reaction mechanism is primarily involved in the addition of HBr to propene?
  • A. Electrophilic addition
  • B. Nucleophilic substitution
  • C. Radical substitution
  • D. Elimination
Q. Which reagent is commonly used to reduce aldehydes to alcohols?
  • A. LiAlH4
  • B. KMnO4
  • C. NaBH4
  • D. H2SO4
Q. Which substituent on a benzene ring is a deactivating group for electrophilic substitution?
  • A. Methyl
  • B. Methoxy
  • C. Nitro
  • D. Amino
Q. Which substituent on a benzene ring is a strong deactivator and meta-director?
  • A. Methyl
  • B. Nitro
  • C. Hydroxyl
  • D. Ethyl
Q. Which substituent on a benzene ring is considered an electron-donating group?
  • A. Nitro group
  • B. Hydroxyl group
  • C. Carboxylic acid
  • D. Halogen
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