JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank

done Uses of Halogen Containing Compounds Total Questions - 25

• question_answer1)
  Which of these can be used as moth repellant          [CPMT 1987]
  A)
  Benzene hexachloride done clear
  B)
  Benzal chloride done clear
  C)
  Hexachloroethane done clear
  D)
  Tetrachloroethane done clear
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• question_answer2)
  Which one of the following is the correct formula of dichlorodiphenyl trichloroethane [AIIMS 1982]
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
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• question_answer3)
  The compound \[\overset{\overset{\,\,\,\,\,\,\,\,\,\,\,OH}{\mathop{\,\,\,\,\,\,\,\,\,\,\,|}}\,}{\mathop{{{(C{{H}_{3}})}_{2}}.CCC{{l}_{3}}}}\,\] is
  A)
  Chloretone done clear
  B)
  Chloroquin done clear
  C)
  Chloropicrin done clear
  D)
  Chloropropyl chloride done clear
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• question_answer4)
  Depletion of ozone layer is caused by [RPMT 2002]
  A)
  Freon done clear
  B)
  Alkane done clear
  C)
  Gringard reagent done clear
  D)
  All of these done clear
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• question_answer5)
  Which of the following is Teflon [RPMT 2002]
  A)
  \[{{[-C{{F}_{2}}-C{{F}_{2}}-]}_{n}}\] done clear
  B)
  \[C{{F}_{2}}=C{{F}_{2}}\] done clear
  C)
  \[CF\equiv CF\] done clear
  D)
  None of these done clear
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• question_answer6)
  Statement - Ozone in atmosphere is decreased by chloro-fluoro-carbon \[(C{{l}_{2}}{{F}_{2}}C)\]? [RPET 1999]
  A)
  Is true done clear
  B)
  Is false done clear
  C)
  Only in presence of \[C{{O}_{2}}\] done clear
  D)
  Only in absence of \[C{{O}_{2}}\] done clear
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• question_answer7)
  \[C{{F}_{x}}C{{l}_{y}}\] [where x + y = 4]. These compounds are not used because  [RPET 2000]
  A)
  These are fluoro carbons done clear
  B)
  These are difficult to synthesise done clear
  C)
  They deplete ozone layer done clear
  D)
  None of the these done clear
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• question_answer8)
  The molecular formula of DDT has [MP PMT 1997]
  A)
  5 chlorine atoms done clear
  B)
  4 chlorine atoms done clear
  C)
  3 chlorine atoms done clear
  D)
  2 chlorine atoms done clear
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• question_answer9)
  What is the reagent used for testing fluoride ion in water [EAMCET 2003]
  A)
  Alizarin - S done clear
  B)
  Quinalizarin done clear
  C)
  Phenolphthalein done clear
  D)
  Benzene done clear
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• question_answer10)
  Chloropicrin is used as [UPSEAT 2000]
  A)
  Solvent done clear
  B)
  Anaesthetic done clear
  C)
  Perfume done clear
  D)
  Tear gas done clear
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• question_answer11)
  Which is used in the manufacture of plastic
  A)
  \[C{{H}_{2}}=CHCl\] done clear
  B)
  \[CH\equiv CH\] done clear
  C)
  \[C{{H}_{2}}=CH-C{{H}_{2}}I\] done clear
  D)
  \[CC{{l}_{4}}\] done clear
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• question_answer12)
  Freon (dichlorodifluoro methane) is used [CPMT 1986; DPMT 1983; CBSE PMT 2001]
  A)
  As local anaesthetic done clear
  B)
  For dissolving impurities in metallurgical process done clear
  C)
  In refrigerator done clear
  D)
  In printing industry done clear
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• question_answer13)
  Which of the following is known as freon which is used as a refrigerant [DPMT 1982; CPMT 1979, 81, 89; AFMC 1995; Manipal MEE 1995; MP PET 1995, 2004]
  A)
  \[CC{{l}_{2}}{{F}_{2}}\] done clear
  B)
  \[CHC{{l}_{3}}\] done clear
  C)
  \[C{{H}_{2}}{{F}_{2}}\] done clear
  D)
  \[C{{F}_{4}}\] done clear
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• question_answer14)
  Benzene hexachloride (BHC) is used as [MP PMT 1994; KCET 1999]
  A)
  Dye done clear
  B)
  Antimalerial drug done clear
  C)
  Antibiotic done clear
  D)
  Insecticide done clear
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• question_answer15)
  Which plastic is obtained from \[CHC{{l}_{3}}\] as follows \[CHC{{l}_{3}}\underset{Sb{{F}_{3}}}{\mathop{\xrightarrow{HF}}}\,X\underset{{}}{\mathop{\xrightarrow{{{800}^{o}}C}}}\,Y\underset{{}}{\mathop{\xrightarrow{Polymerisation}}}\,\text{Plastic}\]
  A)
  Bakelite done clear
  B)
  Teflon done clear
  C)
  Polythene done clear
  D)
  Perspex done clear
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• question_answer16)
        \[\underset{\underset{H}{\mathop{|}}\,}{\mathop{C}}\,-CC{{l}_{3}}\]. The above structural formula refers to [MP PET 1997]
  A)
  BHC done clear
  B)
  DNA done clear
  C)
  DDT done clear
  D)
  RNA done clear
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• question_answer17)
  The commercial uses of DDT and benzene hexachloride are
  A)
  DDT is a herbicide, benzene hexachloride is a fungicide done clear
  B)
  Both are insecticides done clear
  C)
  Both are herbicides done clear
  D)
  DDT is a fungicide and benzene hexachloride is a herbicide done clear
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• question_answer18)
  Which of the following is used in fire extinguishers [AFMC 1993]
  A)
  \[C{{H}_{4}}\] done clear
  B)
  \[CHC{{l}_{3}}\] done clear
  C)
  \[C{{H}_{2}}C{{l}_{2}}\] done clear
  D)
  \[CC{{l}_{4}}\] done clear
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• question_answer19)
  Iodoform can be used as [NCERT 1981]
  A)
  Anaesthetic done clear
  B)
  Antiseptic done clear
  C)
  Analgesic done clear
  D)
  Antifebrin done clear
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• question_answer20)
  Which of the following is an anaesthetic [AFMC 1989]
  A)
  \[{{C}_{2}}{{H}_{4}}\] done clear
  B)
  \[CHC{{l}_{3}}\] done clear
  C)
  \[C{{H}_{3}}Cl\] done clear
  D)
  \[{{C}_{2}}{{H}_{5}}OH\] done clear
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• question_answer21)
  An important insecticide is obtained by the action of chloral on chlorobenzene. It is [KCET 1989]
  A)
  BHC done clear
  B)
  Gammexene done clear
  C)
  DDT done clear
  D)
  Lindane done clear
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• question_answer22)
  In fire extinguisher, pyrene is [DPMT 1985]
  A)
  \[C{{O}_{2}}\] done clear
  B)
  \[CC{{l}_{4}}\] done clear
  C)
  \[C{{S}_{2}}\] done clear
  D)
  \[CHC{{l}_{3}}\] done clear
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• question_answer23)
  B.H.C. is used as [Pb. CET 2002]
  A)
  Insecticide done clear
  B)
  Pesticide done clear
  C)
  Herbicide done clear
  D)
  Weedicide done clear
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• question_answer24)
  The use of the product obtained as a result of reaction between acetone and chloroform is [RPMT 1999]
  A)
  Hypnotic done clear
  B)
  Antiseptic done clear
  C)
  Germicidal done clear
  D)
  Anaesthetic done clear
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• question_answer25)
  Use of chlorofluoro carbons is not encouraged because [KCET 2005]
  A)
  They are harmful to the eyes of people that use it done clear
  B)
  They damage the refrigerators and air conditioners done clear
  C)
  They eat away the ozone in the atmosphere done clear
  D)
  They destroy the oxygen layer done clear
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