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Federal (FBISE) · Quarter book test · Free

2nd Year Chemistry 2nd Quarter Book Paper

40 marks · 1 hour · 28 questions. Covers: 6 chapters (07. Organic Chemistry to 12. Nitrogen Compounds).

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2nd Year Chemistry 2nd Quarter Book Paper

2nd Year · Chemistry · Federal (FBISE)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 40Time: 1 hour

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. Ethanoic acid is oxidized to carbon dioxide and water by:
    1. Fehling’s solution
    2. KMnO₄
    3. Tollen’s reagent
    4. HCl
  2. Reaction of acyl chloride with primary amines produces:
    1. N-substituted amides
    2. Alcohols
    3. Esters
    4. Aldehydes
  3. Which aromatic compound is used as an antiseptic?
    1. Nitrobenzene
    2. Phenol
    3. Styrene
    4. Anisole
  4. Chlorobenzene undergoes which type of reaction?
    1. Nucleophilic substitution
    2. Electrophilic substitution
    3. Elimination reaction
    4. Hydrolysis
  5. What is the product when phenylamine reacts with HNO₂ or NaNO₂ and dilute acid below 10°C?
    1. Aniline
    2. Phenol
    3. Benzene diazonium chloride
    4. Nitrobenzene
  6. (+)-Ibuprofen is:
    1. Inactive
    2. Active
    3. Toxic
    4. Neutral
  7. How does chlorine substitution affect the acidity of carboxylic acids?
    1. It increases acidity by donating electrons
    2. It decreases acidity by withdrawing electrons
    3. It increases acidity by withdrawing electrons
    4. It increases acidity by withdrawing hydrogen
  8. The product formed when acetaldehyde reacts with HCN is:
    1. Acetone cyanohydrin
    2. Formaldehyde cyanohydrin
    3. Acetaldehyde cyanohydrin
    4. Ethanol
  9. Benzene is generally resistant to oxidation because of its:
    1. Saturated bonds
    2. Delocalized π-electrons
    3. Presence of hydrogen
    4. Weak σ-bonds
  10. Tertiary alkyl halides in presence of weak bases give mostly:
    1. SN2 products
    2. SN1 and E1 products
    3. E2 products only
    4. Addition products
  11. Phenol is more reactive than benzene because:
    1. –OH group withdraws electrons
    2. –OH group donates electrons to ring
    3. –OH group forms aldehyde
    4. –OH group oxidizes rapidly
  12. Geometric isomerism is shown by
    1. alkenes
    2. alkynes
    3. alkanes
    4. lkanes

Q2. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)

  1. Why do aryl chlorides resist hydrolysis?
  2. Write the chemical equation for the reaction of phenol with sodium hydroxide.
  3. Differentiate between primary, secondary, and tertiary alkyl halides.
  4. Why is HCN not used directly in reactions?
  5. Why does benzene not behave like an alkene?
  6. Define racemic mixture.
  7. Explain why methanoic acid can be oxidized while other carboxylic acids cannot.
  8. What happens when phenol reacts with bromine water?
  9. Define haloarenes with an example.
  10. Give the equation for the reduction of ethanamide.
  11. Write the product of reaction of benzene with CH₃COCl in presence of AlCl₃.
  12. How can a molecule be chiral yet remain optically inactive? Give the term used for such a molecule.

Q3. Long questions (Attempt any 3 of 4 · 3 × 4 = 12)

  1. Describe the reduction of nitriles to form amines. Support with chemical reactions.
  2. Explain the reaction of phenol with bromine water.
  3. Indicate which isomer would likely have a higher boiling point and why.
  4. Compare the hydrolysis of acyl, alkyl, and aryl chlorides. Explain with reasons for differences in reactivity.