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Federal (FBISE) · Chapter test · Free

10th Class Chemistry Chapter 8 Test08. Organic Chemistry

30 marks · 40 minutes · 21 questions. Covers: 08. Organic Chemistry.

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10th Class Chemistry Chapter 8 Test

10th Class · Chemistry · Federal (FBISE)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

  1. The formula of ethyne is:
    1. C₂H₆
    2. C₂H₂
    3. C₂H₄
    4. C₂H₈
  2. The IUPAC name of HCOOH is:
    1. Ethanoic acid
    2. Propanoic acid
    3. Methanoic acid
    4. Butanoic acid
  3. The suffix used for naming alkanes is:
    1. -ol
    2. -ane
    3. -ene
    4. -oic acid
  4. Which formula is more concise when bond information is not required?
    1. Displayed formula
    2. Condensed formula
    3. Skeletal formula
    4. Empirical formula
  5. The reaction used for ester formation is called:
    1. Neutralization
    2. Esterification
    3. Hydrogenation
    4. Polymerization
  6. The reaction for esterification requires:
    1. NaOH catalyst
    2. Dilute sulphuric acid catalyst
    3. Heat only
    4. Light energy
  7. The IUPAC name of CH₄ is:
    1. Ethane
    2. Propane
    3. Methane
    4. Butane
  8. The compound CH≡CH is named as:
    1. Ethene
    2. Ethyne
    3. Ethanol
    4. Ethanoic acid
  9. If a compound ends in "-oic acid", what functional group must it contain?
    1. -OH
    2. -COOH
    3. -C=O
    4. -C≡C-
  10. Which of the following is the molecular formula of hexane?
    1. C₅H₁₂
    2. C₆H₁₄
    3. C₇H₁₆
    4. C₈H₁₈

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. Define structural formula.
  2. Write the general formula of esters.
  3. Draw the displayed formula of methane.
  4. Given the condensed structural formula CH₃CH₂CH₃, what is the displayed structural formula?
  5. Describe the process of esterification.
  6. From the displayed formula CH3-C≡C-CH3, identify the compound and its type.
  7. What does the suffix “-ane” indicate?
  8. Draw the displayed formula of ethyl butanoate.

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. Given the esters methyl methanoate, ethyl ethanoate, and butyl butanoate, Give the starting materials required to produce these esters.
  2. Discuss the nomenclature of alcohols and carboxylic acids in detail.
  3. Explain the chemical reaction process for forming esters from alcohols and carboxylic acids. Draw the structural and displayed formulas of the ester formed from ethanol and propanoic acid.