10th Class Science Carbon and its Compounds / कार्बन और उसके यौगिक Question Bank

done Carbon and Its Compounds Total Questions - 40

• question_answer1)
  Which of the following are alkanes?
  A)
  \[{{C}_{2}}{{H}_{6}}\]                       done clear
  B)
  \[{{C}_{3}}{{H}_{8}}\] done clear
  C)
  \[{{C}_{4}}{{H}_{10}}\]          done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer2)
  Which of the following is the IUPAC name of the formula\[{{C}_{4}}{{H}_{10}}\]?
  A)
  Ethane              done clear
  B)
  Butane done clear
  C)
  Propene done clear
  D)
         Butyne done clear
  E)
  None of these done clear
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• question_answer3)
  Which of the following is the common name of ethyne?
  A)
  Propylene                      done clear
  B)
  Ethylene done clear
  C)
  Acetylene           done clear
  D)
         Methyl-acetylene done clear
  E)
  None of these done clear
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• question_answer4)
  Which of the following is the IUPAC name of\[{{C}_{2}}{{H}_{5}}OH\]?
  A)
  Ethanol done clear
  B)
  Propanol   done clear
  C)
  Methanol           done clear
  D)
         Butanol done clear
  E)
  None of these done clear
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• question_answer5)
  Which of the following is used for making glass cutters?
  A)
  Graphite                        done clear
  B)
  Diamond   done clear
  C)
  Steel                 done clear
  D)
         Bronze done clear
  E)
  None of these done clear
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• question_answer6)
  Which of the following is the molecular formula of urea?
  A)
  \[CO{{(N{{H}_{2}})}_{2}}\] done clear
  B)
  \[N{{H}_{4}}CNO\] done clear
  C)
  \[C{{H}_{3}}CHO\]      done clear
  D)
         \[C{{H}_{3}}COOH\] done clear
  E)
  None of these done clear
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• question_answer7)
  Which of the following is the molecular formula of benzene?
  A)
  \[{{C}_{6}}{{H}_{_{6}}}\] done clear
  B)
                     \[{{C}_{6}}{{H}_{10}}\] done clear
  C)
  \[{{C}_{6}}{{H}_{12}}\]          done clear
  D)
         \[{{C}_{6}}{{H}_{14}}\] done clear
  E)
  None of these done clear
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• question_answer8)
  Which of the following is the molecular mass of \[{{C}_{2}}{{H}_{5}}OH\]?
  A)
  32                                 done clear
  B)
  46 done clear
  C)
  30                     done clear
  D)
         18 done clear
  E)
  None of these done clear
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• question_answer9)
  Which of the following is the molecular mass of\[{{C}_{3}}{{H}_{7}}OH\]?
  A)
  32                                 done clear
  B)
  46 done clear
  C)
  60                     done clear
  D)
         66 done clear
  E)
  None of these done clear
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• question_answer10)
  Which one of the following is an allotrope of carbon?
  A)
  Glass                 done clear
  B)
  Graphite done clear
  C)
  Diamond           done clear
  D)
         Both [b] and [c] done clear
  E)
  None of these done clear
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• question_answer11)
  Which one of the following statements is correct?

  (i) Graphite and diamond are non-conductors of electricity.

  (ii) Graphite is lighter than diamond.

  (iii) Diamond and graphite burns in oxygen to produce carbon dioxide only.

  (iv) Diamonds can be made artificially by subjecting pure carbon to very low pressure and temperature.

  A)
  Only (i) done clear
  B)
  Only (ii) and (iv) done clear
  C)
  Only (ii) and (iii) done clear
  D)
  All (i), (ii), (iii) and (iv) done clear
  E)
  None of these done clear
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• question_answer12)
  Which one of the following is an example of alkyl group?
  A)
  \[{{C}_{2}}{{H}_{6}}\]                       done clear
  B)
  \[C{{H}_{4}}\] done clear
  C)
  \[C{{H}_{_{3}}}\]        done clear
  D)
         \[{{C}_{3}}{{H}_{4}}\] done clear
  E)
  None of these done clear
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• question_answer13)
  Which one of the following statements is incorrect?
  A)
  An unsaturated hydrocarbon containing a triple bond is an alkyne. done clear
  B)
  An unsaturated hydrocarbon containing a single bond is an alkane. done clear
  C)
  An unsaturated hydrocarbon containing a double bond is an alkene. done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer14)
  The given hydrocarbon is: \[C{{H}_{3}}-\,C{{H}_{2}}\,-C{{H}_{2}}\,-C{{H}_{2}}-C{{H}_{3}}\]
  A)
  Butane              done clear
  B)
  Pentane    done clear
  C)
  Pentene             done clear
  D)
  Pentyne done clear
  E)
  None of these done clear
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• question_answer15)
  The hydrocarbons present in LPG are:
  A)
  Propane                         done clear
  B)
  Iso-butane done clear
  C)
  n-butane                        done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer16)
  The compounds with same molecular formula but different structures are
  A)
  Isotopes             done clear
  B)
  Alloys done clear
  C)
  Isomers  done clear
  D)
         Mixtures done clear
  E)
  None of these done clear
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• question_answer17)
  Butyne has ____ carbon -hydrogen single bonds.
  A)
  Five                              done clear
  B)
  Six done clear
  C)
  Three    done clear
  D)
         Four done clear
  E)
  None of these done clear
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• question_answer18)
  Which one of the following is used for ripening of many raw fruits?
  A)
  \[{{C}_{5}}{{H}_{10}}\]                      done clear
  B)
  \[{{C}_{2}}{{H}_{4}}\] done clear
  C)
  \[{{C}_{3}}{{H}_{8}}\]           done clear
  D)
         \[{{C}_{2}}{{H}_{6}}\] done clear
  E)
  None of these done clear
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• question_answer19)
  Which of the following belongs to the same homologous series?
  A)
  \[{{C}_{4}}{{H}_{6}}\]                       done clear
  B)
  \[{{C}_{5}}{{H}_{8}}\] done clear
  C)
  \[{{C}_{4}}{{H}_{8}}\]           done clear
  D)
         Both [a] and [b] done clear
  E)
  None of these done clear
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• question_answer20)
  Which one of the following structures shown below represents the compound Iso- butane?
  A)
              done clear
  B)
  done clear
  C)
        done clear
  D)
  \[C{{H}_{3}}-C\equiv CH\] done clear
  E)
  None of these done clear
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• question_answer21)
  Which one of the following represents propanoic acid?
  A)
  \[C{{H}_{3}}\,\,CO\,\,C{{H}_{2}}C{{H}_{2}}\,\,C{{H}_{3}}\] done clear
  B)
  done clear
  C)
  \[C{{H}_{3}}\,\,CO\,\,C{{H}_{3}}\] done clear
  D)
  done clear
  E)
  None of these done clear
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• question_answer22)
  Match the following:

  Column A	Column B
  (i) Butanone	[A] \[-OH\]
  (ii) Propanal	[B] \[-COOH\]
  (iii) Methanol	[C] \[-CO-\]
  (iv) Ethanoic acid	[D] \[-CHO-\]

  A)
  (i - D), (ii - A), (iii - C), (iv - B) done clear
  B)
  (i - C), (ii - D), (iii - A), (iv - B) done clear
  C)
  (i - C), (ii - D), (iii - B), (iv - A) done clear
  D)
  (i - D), (ii - C), (iii - A), (iv - B) done clear
  E)
  None of these done clear
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• question_answer23)
  The gas evolved when ethanol reacts with sodium is:
  A)
  Carbon dioxide   done clear
  B)
  Hydrogen   done clear
  C)
  Oxygen done clear
  D)
         Nitrogen done clear
  E)
  None of these done clear
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• question_answer24)
  An ester is formed when:
  A)
  Ethane reacts with acetic acid. done clear
  B)
  Methanol reacts with sodium. done clear
  C)
  Ethanol reacts with ethanoic acid. done clear
  D)
  Bleaching powder reacts with ethanol. done clear
  E)
  None of these done clear
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• question_answer25)
  Which one of the following acids is an example of monocarboxylic acids?
  A)
  Formic acid                    done clear
  B)
  Acetic acid done clear
  C)
  Oxalic acid        done clear
  D)
         Both [a] and [b] done clear
  E)
  None of these done clear
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• question_answer26)
  The property of carbon which enables it to form a large number of carbon compounds is:
  A)
  Acidity                          done clear
  B)
  Catenation done clear
  C)
  Electropositivity         done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer27)
  A dilute solution of ethanoic acid in water is called:
  A)
  Fehling's solution done clear
  B)
  Tollen's reagent done clear
  C)
  Vinegar  done clear
  D)
         Tincture of iodine done clear
  E)
  None of these done clear
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• question_answer28)
  The molecular formula of the fifth member of the homologous series of carbon compounds represented by the general formula \[{{C}_{n}}{{H}_{2n+1}}OH\]
  A)
  \[{{C}_{2}}{{H}_{12}}\]                      done clear
  B)
  \[{{C}_{5}}{{H}_{11}}OH\] done clear
  C)
  \[{{C}_{5}}{{H}_{12}}OH\]     done clear
  D)
         \[{{C}_{5}}{{H}_{11}}CHO\] done clear
  E)
  None of these done clear
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• question_answer29)
  Which of the following statements is incorrect?
  A)
  Ethene decolourises bromine water. done clear
  B)
  Ethane decolourises bromine water. done clear
  C)
  Butter does not decolourises bromine water. done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer30)
  Which one among the following can turn blue litmus solution red?
  A)
  \[C{{H}_{3}}OH\]                    done clear
  B)
  \[C{{H}_{3}}COOH\] done clear
  C)
  \[HCOOH\]        done clear
  D)
         Both [b] and [c] done clear
  E)
  None of these done clear
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• question_answer31)
  A compound formed after the oxidation of ethanol with alkaline potassium permanganate will:
  A)
  Turn blue litmus to red done clear
  B)
  Turn red litmus to blue done clear
  C)
  Have pH less than 7 done clear
  D)
  Both [a] and [c] done clear
  E)
  None of these done clear
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• question_answer32)
  The name of the compound \[C{{H}_{3\,}}-C{{H}_{2}}\,-CHO\]is:
  A)
  Propanal            done clear
  B)
  Propanone done clear
  C)
  Ethanol done clear
  D)
                     Ethanal done clear
  E)
  None of these done clear
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• question_answer33)
  Detergents are sodium salts of long chain of:
  A)
  Ketones             done clear
  B)
  Aldehydes done clear
  C)
  Sulphonic acid done clear
  D)
         Acetic acid done clear
  E)
  None of these done clear
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• question_answer34)
  Match the following:

  Column A	Column B
  (i)\[{{C}_{4}}{{H}_{9}}COO{{C}_{2}}{{H}_{5}}\]	[A] Repated chlorination forms chloroform
  (ii)\[C{{H}_{3}}OH\]	[B] Sterilise wounds
  (iii) \[C{{H}_{4}}\]	[C] Ester
  (iv) \[{{C}_{2}}{{H}_{5}}OH\]	[D] Added to form denature alcohol to ethanol

  A)
  (i - C), (ii - A), (iii - B), (iv - D) done clear
  B)
  (i - D), (ii - C), (iii - B), (iv - A) done clear
  C)
  (i - C), (ii - D), (iii - A), (iv - B) done clear
  D)
  (i - C), (ii - D), (iii - B), (iv - A) done clear
  E)
  None of these done clear
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• question_answer35)
  Vinegar is a solution of
  A)
  50% - 60% acetic acid in alcohol done clear
  B)
  5% - 8% acetic acid in alcohol done clear
  C)
  5% - 8% acetic acid in water done clear
  D)
  50% - 60% acetic acid in water done clear
  E)
  None of these done clear
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• question_answer36)
  Covalent compounds are generally:
  A)
  Soluble in water  done clear
  B)
  Insoluble in water done clear
  C)
  Ionize in water done clear
  D)
         Hydrolyse in water done clear
  E)
  None of these done clear
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• question_answer37)
   ____ can cause blindness, if taken internally.
  A)
  \[{{C}_{6}}{{H}_{12}}{{O}_{2}}\]                 done clear
  B)
  \[C{{H}_{3}}OH\] done clear
  C)
  \[C{{H}_{3}}COOH\]    done clear
  D)
         \[{{C}_{2}}{{H}_{5}}OH\] done clear
  E)
  None of these done clear
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• question_answer38)
  The disease caused due to heavy drinking of alcohol over a long period of time is: ?
  A)
  Ricket                done clear
  B)
  Polio done clear
  C)
  Cirrhosis done clear
  D)
         Influenza done clear
  E)
  None of these done clear
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• question_answer39)
  Which among the following will undergo substitution reaction in the presence of sunlight?
  A)
  \[{{C}_{3}}{{H}_{6}}\]                       done clear
  B)
  \[{{C}_{3}}{{H}_{8}}\] done clear
  C)
  \[{{C}_{3}}{{H}_{4}}\]           done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer40)
  Butane with the molecular formula C H has:
  A)
  10 covalent bonds done clear
  B)
  13 covalent bonds done clear
  C)
  9 covalent bonds done clear
  D)
  8 covalent bonds done clear
  E)
  None of these done clear
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