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Twelfth Grade (Grade 12) Organic Chemistry Questions

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Grade 12 Organic Chemistry
Grade 12 Organic Chemistry
A student named an alkane 2-ethylpropane. The correct IUPAC name of the alkane is
  1. 2-Methylbutane.
  2. 2,2-Dimethylbutane.
  3. 2,3-Dimethylbutane.
  4. 2,3-Dimethylpentane.
Grade 12 Organic Chemistry
Grade 12 Organic Chemistry
What would be the IUPAC name of the following compound?

[math]CH-=C-CH_2-C-=CH[/math]
  1. Pent-2,4-diyne
  2. Pent-1,4-diyne
  3. Pent-1,3-diyne
  4. Pent-1,2-diyne
Grade 12 Organic Chemistry
Which of the following conversions is an example of a substitution reaction?
  1. Acetylene [math]rarr[/math] Ethane
  2. Sodium acetate [math]rarr[/math] Methane
  3. Propylene [math]rarr[/math] Propane
  4. Ethane [math]rarr[/math] Chloroethane
Grade 12 Organic Chemistry
Which of the following is an aliphatic saturated hydrocarbon?
  1. [math]C_6H_6[/math]
  2. [math]C_6H_10[/math]
  3. [math]C_6H_12[/math]
  4. [math]C_6H_14[/math]
Grade 12 Organic Chemistry
Which of the following chemical formulas correctly represents a molecule of 1-propyne?
  1. [math] CH_3 CH_2 CH_3 [/math]
  2. [math] CH C CH_3 [/math]
  3. [math] CH_2 CH CH_3 [/math]
  4. [math] CHCH [/math]
Grade 12 Organic Chemistry
Which of the following alkanes contains a [math](CH_3)_2CH-[/math] group?
  1. 2, 2-Dimethylpentane
  2. 3,3-Dimethylpentane
  3. 2,3-Dimethylpentane
  4. 3,4-Dimethylhexane
Grade 12 Organic Chemistry
An alkane is obtained by decarboxylation of sodium propionate. The same alkane can be obtained by
  1. catalytic hydrogenation of propene.
  2. action of sodium metal on iodomethane.
  3. reduction of 1-chloropropane.
  4. reduction of bromomethane.
Grade 12 Organic Chemistry
What temperature and pressure conditions are required to carry out the polymerization of ethylene?
  1. Temperature (463 K to 483 K) and Pressure (1500 atm.)
  2. Temperature (450 K to 480 K) and Pressure (1200 atm.)
  3. Temperature (400 K to 430 K) and Pressure (1300 atm.)
  4. Temperature (420 K to 440 K) and Pressure (1600 atm.)
Grade 12 Organic Chemistry
Which of the following alkanes is a liquid at room temperature?
  1. [math]C_4H_10[/math]
  2. [math]C_10H_22[/math]
  3. [math]C_22H_46[/math]
  4. [math]C_46H_94[/math]
Grade 12 Organic Chemistry
Grade 12 Organic Chemistry
Grade 12 Organic Chemistry
Grade 12 Organic Chemistry
Which of the following reagents is used to carry out the oxidation of 2-Butene to acetic acid?
  1. acidic [math]KMnO_4[/math]
  2. Raney Ni
  3. alkaline [math]KMnO_4[/math]
  4. conc. [math]H_2SO_4[/math]
Grade 12 Organic Chemistry
Which of the following can be added to help oxidize an alkene to glycols?
  1. [math] KMnO_4 [/math]
  2. [math] H_2 SO_4 [/math]
  3. HCl
  4. Raney Ni
Grade 12 Organic Chemistry
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