9th Chapter

FSC Part 2 Chemistry Chapter 9 Online Test MCQ's

2nd Year Chemistry Online MCQ Test for Chapter 9 Aromatic Hydrocarbons Preparation

2nd Year Chemistry Online MCQ Test for Chapter 9 Aromatic Hydrocarbons Preparation

Sr. # Questions Answers Choice
1 Which of the following species is ortho and para director.
  • A. CHO
  • B. SO3H
  • C. NO2
  • D. Cl
2 Which compound is the most reactive one
  • A. benzene
  • B. ethene
  • C. ethane
  • D. ethyne
3 Which one of the following species is meta director if present at benzene ring.
  • A. -NO2
  • B. -Cl
  • C. -CH3
  • D. -OH
4 Aromatic hydrocarbons are the derivatives of
  • A. Normal series of paraffins
  • B. Alkene
  • C. Benzene
  • D. Cyclohexane
5 The aromatic ring of Benzene can be hydrogenated in the presenc eof.
  • A. Pt
  • B. Rh
  • C. Sunlight
  • D. O3
6 When acetylene is heated at 300 <sup>o</sup>C in copper tube, the product obtained is.
  • A. Benzene
  • B. Alkyl benzene
  • C. Ether
  • D. Alcohol
7 Phenol when distilled with zinc dust gives.
  • A. Toluene
  • B. Benzaldehyde
  • C. Benzoic acid
  • D. Benzene
8 Aromatic compounds burns with sooty flame because.
  • A. They have high percentage of hydrogen
  • B. The have a right structure
  • C. The have high percentage of carbon
  • D. The resist reaction with air
9 The difference of actual and theoretical heat of hydrogenation of compound is called.
  • A. Lattice energy
  • B. Resonance energy
  • C. Ionization energy
  • D. Enthalpy of formation
10 The benzene molecule contains
  • A. three double bonds
  • B. two double bonds
  • C. one double bond
  • D. delocalized pie-electron charge

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