Chemistry (School & UG)

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The Chemistry (School & UG) category covers the fundamental to advanced concepts of Chemistry, structured to support Class 11–12 students, competitive exam aspirants, and undergraduate learners. The content emphasizes conceptual clarity, problem-solving skills, and strong alignment with NCERT and university syllabi.

In this category, you will study:

  • Physical Chemistry – atomic structure, thermodynamics, chemical kinetics, equilibrium, electrochemistry, and solutions

  • Organic Chemistry – basic principles, reaction mechanisms, hydrocarbons, functional groups, biomolecules, and polymers

  • Inorganic Chemistry – periodic trends, chemical bonding, coordination compounds, metallurgy, and s-, p-, d-, and f-block elements

  • Numerical problem-solving – formula-based calculations, mole concept, and graph-based questions

  • Reaction mechanisms and derivations with step-by-step explanations

  • Comparisons, trends, and exceptions important for exams

  • NCERT-based theory, supported by diagrams, tables, MCQs, assertion–reason questions, numericals, and PYQs

The content is designed to build strong foundations, improve analytical and quantitative skills, and prepare students for school examinations, competitive exams, and undergraduate assessments.

Develop a clear, logical, and application-oriented understanding of Chemistry to excel academically and confidently tackle problem-based and conceptual questions at both school and UG levels.

Q. Which reaction mechanism is involved in the conversion of an alcohol to an alkyl halide?
  • A. SN1
  • B. SN2
  • C. E1
  • D. E2
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 H2 across 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 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 reaction mechanism is primarily involved in the nucleophilic substitution of alkyl halides?
  • A. SN1
  • B. SN2
  • C. E1
  • D. E2
Q. Which reagent is commonly used in the qualitative analysis of halides to form a precipitate?
  • A. Barium chloride
  • B. Silver nitrate
  • C. Lead(II) nitrate
  • D. Calcium sulfate
Q. Which reagent is commonly used to confirm the presence of chloride ions in a solution?
  • A. Barium nitrate
  • B. Silver nitrate
  • C. Calcium hydroxide
  • D. Sodium sulfate
Q. Which reagent is commonly used to confirm the presence of sulfate ions in a qualitative analysis?
  • A. Barium chloride
  • B. Silver nitrate
  • C. Hydrochloric acid
  • D. Ammonium hydroxide
Q. Which reagent is commonly used to reduce aldehydes to alcohols?
  • A. LiAlH4
  • B. KMnO4
  • C. NaBH4
  • D. H2SO4
Q. Which salt is commonly used as a de-icing agent on roads?
  • A. Sodium chloride
  • B. Potassium nitrate
  • C. Calcium sulfate
  • D. Magnesium sulfate
Q. Which spectroscopic technique is best suited for identifying functional groups in organic compounds?
  • A. Nuclear Magnetic Resonance (NMR)
  • B. Infrared (IR) Spectroscopy
  • C. Ultraviolet-Visible (UV-Vis) Spectroscopy
  • D. Mass Spectrometry
Q. Which spectroscopic technique is commonly used to identify metal ions in a sample?
  • A. Infrared Spectroscopy
  • B. Nuclear Magnetic Resonance
  • C. Atomic Absorption Spectroscopy
  • D. Mass Spectrometry
Q. Which spectroscopic technique is most effective for identifying functional groups in organic compounds?
  • A. NMR
  • B. UV-Vis
  • C. IR
  • D. Mass Spectrometry
Q. Which spectroscopy technique is best suited for identifying functional groups in organic compounds?
  • A. Infrared Spectroscopy
  • B. Nuclear Magnetic Resonance
  • C. Mass Spectrometry
  • D. Raman Spectroscopy
Q. Which spectroscopy technique is best suited for identifying functional groups in organic ions?
  • A. Infrared Spectroscopy
  • B. Ultraviolet-Visible Spectroscopy
  • C. Nuclear Magnetic Resonance
  • D. Raman Spectroscopy
Q. Which spectroscopy technique is most suitable for identifying functional groups in organic compounds?
  • A. UV-Vis Spectroscopy
  • B. NMR Spectroscopy
  • C. Mass Spectrometry
  • D. Infrared Spectroscopy
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 in electrophilic substitution?
  • A. Hydroxyl group (-OH)
  • B. Methyl group (-CH3)
  • C. Nitro group (-NO2)
  • D. Ethyl group (-C2H5)
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
Q. Which technique is best suited for separating and identifying amino acids in a mixture?
  • A. Gas chromatography
  • B. High-performance liquid chromatography
  • C. Thin-layer chromatography
  • D. Capillary electrophoresis
Q. Which technique is best suited for separating anions in a mixture?
  • A. Gas chromatography
  • B. High-performance liquid chromatography
  • C. Capillary electrophoresis
  • D. Mass spectrometry
Q. Which technique is best suited for the separation of charged biomolecules based on their size?
  • A. Gas chromatography
  • B. Capillary electrophoresis
  • C. High-performance liquid chromatography
  • D. Thin-layer chromatography
Q. Which technique is best suited for the separation of charged biomolecules?
  • A. Gas chromatography
  • B. High-performance liquid chromatography
  • C. Capillary electrophoresis
  • D. Thin-layer chromatography
Q. Which technique is best suited for the separation of charged particles in a solution?
  • A. Titration
  • B. Chromatography
  • C. Electrophoresis
  • D. Spectroscopy
Q. Which technique is commonly used for the qualitative analysis of anions?
  • A. Gas Chromatography
  • B. Thin Layer Chromatography
  • C. Ion Chromatography
  • D. High-Performance Liquid Chromatography
Q. Which technique is commonly used to separate and identify anions in a mixture?
  • A. Gas chromatography
  • B. High-performance liquid chromatography
  • C. Ion chromatography
  • D. Capillary electrophoresis
Q. Which technique is commonly used to separate anions in qualitative analysis?
  • A. Gas chromatography
  • B. Thin-layer chromatography
  • C. Capillary electrophoresis
  • D. High-performance liquid chromatography
Q. Which technique is most effective for the qualitative analysis of anions in a sample?
  • A. Thin Layer Chromatography
  • B. Ion Chromatography
  • C. Gas Chromatography
  • D. Capillary Electrophoresis
Showing 1831 to 1860 of 1878 (63 Pages)
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