Railways General Science & Technology Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन Sample Paper

done General Oragnic Chemistry Sample Test Paper-25 Total Questions - 20    [Download]

• question_answer1)
  Which one of the following is the correct sequence in increasing order of molecular weights of the hydrocarbons?
  A)
   Methane, ethane, propane and butane
  done clear
  B)
   Propane, butane, ethane and methane
  done clear
  C)
   Butane, ethane, propane and methane
  done clear
  D)
   Butane, propane, ethane and methane
  done clear
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• question_answer2)
  The father of the aromatic organic compound is
  A)
   Methane          
  done clear
  B)
   benzene
  done clear
  C)
   Phenol 
  done clear
  D)
   aniline
  done clear
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• question_answer3)
  The normal butane and isobutene are
  A)
   Optical isomer
  done clear
  B)
   Chain isomer
  done clear
  C)
   Positional isome
  done clear
  D)
   Functional isomer
  done clear
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• question_answer4)

  Consider the following statements

  1. The alcohol which is 100% pure is called absolute alcohol.

  2. Ethyl alcohol which cannot be used for the beverage purpose is called denatured alcohol.

  3. The mixture of purified spirit, benzene and petrol is called power alcohol.

  Which of the statements given above are correct?

  A)
   1 and 2
  done clear
  B)
   1 and 3
  done clear
  C)
   2 and 3
  done clear
  D)
   1, 2 and 3
  done clear
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• question_answer5)
  Match Column I with Column II and select the correct answer using the codes given below this columns.

  	Column I		Column II
  	(Organic compound)		(Functional group)
  A.	Alcohol	1.	\[-CHO\]
  B.	Aldehyde	2.	\[-OH\]
  C.	Carboxylic acid	3.	\[>C=O\]
  D.	Ketone	4.	\[-COOH\]

  Codes:
  A)
   A-2, B-1, C-4, D-3
  done clear
  B)
   A-1, B-4, C-3, D-2
  done clear
  C)
   A-4, B-3, C-2, D-1
  done clear
  D)
   A-3, B-2, D-1, D-4
  done clear
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• question_answer6)

  Consider the following statements

  1. Methane is also known as marsh gas.

  2. The main component of the natural gas is methane.

  3. The main component of the LPG is butane.

  Which of the statements given above are correct?

  A)
   1 and 2
  done clear
  B)
   1 and 3
  done clear
  C)
   2 and 3
  done clear
  D)
   1, 2 and 3
  done clear
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• question_answer7)
  The main components of the LPG are
  A)
   Methane, ethane and hexane
  done clear
  B)
   Methane, ethane and nonane
  done clear
  C)
   Methane, propane and butane
  done clear
  D)
   Ethane, hexane and butane
  done clear
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• question_answer8)

  Study the following statements

  1. Benzene and toluene are aromatic hydrocarbons.

  2. In benzene, six carbon atoms are arranged in a close chain with alternate double and single bonds. Which of the above is/are correct?

  A)
   Only 1 
  done clear
  B)
   Only 2
  done clear
  C)
   1 and 2
  done clear
  D)
   None of these
  done clear
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• question_answer9)
  Which is the example of branch isomerization
  A)
        \[C-\overset{C}{\mathop{\overset{|}{\mathop{C}}\,}}\,-C-C-C\] and \[C-\overset{C}{\mathop{\overset{|}{\mathop{\underset{C}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,-C\]
  done clear
  B)
   \[C-\overset{{}}{\mathop{\overset{{}}{\mathop{\underset{C}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,-\overset{C}{\mathop{\overset{|}{\mathop{C}}\,}}\,\] and \[\overset{C}{\mathop{\overset{|}{\mathop{C}}\,}}\,-\overset{{}}{\mathop{\overset{{}}{\mathop{\underset{C}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,-C\]
  done clear
  C)
    and  \[C-C-\overset{C}{\mathop{\overset{|}{\mathop{\underset{C}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,\]
  done clear
  D)
   \[C-C-C-C\] and \[C-C-\underset{C}{\mathop{\underset{|}{\mathop{C}}\,}}\,\]
  done clear
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• question_answer10)
  IUPAC name of \[C{{H}_{3}}CHO\] is
  A)
   Acetaldehyde
  done clear
  B)
   Methyl aldehyde
  done clear
  C)
   Ethanol
  done clear
  D)
   Ethanal
  done clear
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• question_answer11)
  IUPAC name of \[C{{H}_{3}}-O-{{C}_{2}}{{H}_{5}}\] is
  A)
   Ethoxy methane
  done clear
  B)
   Methoxyethane
  done clear
  C)
   Methyl ethyl ether
  done clear
  D)
   Ethyl methyl ether
  done clear
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• question_answer12)
  Which of the following compound has the functional \[-OH\]
  A)
   1, 2 ? ethandiol
  done clear
  B)
   2 ?butanone
  done clear
  C)
   Nitrobenzene
  done clear
  D)
   Ethanol
  done clear
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• question_answer13)
  Alicylic compounds are
  A)
   Aromatic         
  done clear
  B)
   Aliphatic
  done clear
  C)
   Heterocyclic     
  done clear
  D)
   Aliphatic cyclic
  done clear
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• question_answer14)
  The gas emerged through the cigarette lighter is
  A)
   Butane
  done clear
  B)
   methane
  done clear
  C)
   Propane           
  done clear
  D)
   radon
  done clear
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• question_answer15)
  The methanol is also known by the name of
  A)
   Rubbing alcohol
  done clear
  B)
   grain alcohol
  done clear
  C)
   Wood alcohol
  done clear
  D)
   deformed alcohol
  done clear
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• question_answer16)
  The wine is prepared by the process of
  A)
   Fermentation
  done clear
  B)
   catalysation
  done clear
  C)
   Conjugation     
  done clear
  D)
   displacement
  done clear
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• question_answer17)
  Methylated spirit of
  A)
   100% alcohol
  done clear
  B)
   95.6% alcohol + 4.4% water
  done clear
  C)
   90% alcohol + 9% methanol + pyridine
  done clear
  D)
   Power alcohol
  done clear
  View Answer play_arrow

• question_answer18)

  Consider the following statements

  1. The simplest hydrocarbon is methane \[(C{{H}_{4}}).\]

  2. Hydrocarbons support life directly as

  carbohydrates, proteins, nucleic acids.

  3.  Benzene is unsaturated cyclic hydrocarbon.

  Which of the statements given above are correct?

  A)
   1 and 2
  done clear
  B)
   1 and 3
  done clear
  C)
   2 and 3
  done clear
  D)
   1, 2 and 3
  done clear
  View Answer play_arrow

• question_answer19)

  Study the following statements

  1. The common name of propanone is dimethyl ketone.

  2. An isomer of ethanol is dimethyl ether.

  3. When water vapours are passed over aluminium carbide, we get methane.

  Which of the statements given above are correct?

  A)
   1, 2 and 3        
  done clear
  B)
   1 and 2
  done clear
  C)
   1 and 3
  done clear
  D)
   2 and 3
  done clear
  View Answer play_arrow

• question_answer20)
  To prevent from knocking the substance employed in the car engine is
  A)
   Ethyl alcohol
  done clear
  B)
   butane
  done clear
  C)
   tetraethyl lead
  done clear
  D)
          white petrol
  done clear
  View Answer play_arrow