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

done Crabon and Its Compounds Total Questions - 40

• question_answer1)
  Identify the product formed when ethanol reacts with sodium.
  A)
  Sodium ethanoate done clear
  B)
  Sodium ethoxide done clear
  C)
  Sodium ethanol done clear
  D)
  Sodium acetate done clear
  View Solution play_arrow

• question_answer2)
  Which of the given feature(s) of carbon enables it to form a large number of compound(s)?
  A)
  Tetravalency     done clear
  B)
  Catenation                         done clear
  C)
  Atomic size        done clear
  D)
  Both (a) and (b) done clear
  View Solution play_arrow

• question_answer3)
  Which property of methane helps it to be used as a fuel?
  A)
  It burns exothermically. done clear
  B)
  It is a gas. done clear
  C)
  It is odourless. done clear
  D)
  It has a low boiling point. done clear
  View Solution play_arrow

• question_answer4)
  All the members of a homologous series have the same
  A)
  empirical formula. done clear
  B)
  general formula. done clear
  C)
  molecular formula. done clear
  D)
  physical properties. done clear
  View Solution play_arrow

• question_answer5)
  Vinegar is a solution of ethanoic acid made by the reaction of ethanol with air. Which gas in air takes part in this reaction?
  A)
  Hydrogen                           done clear
  B)
  Nitrogen                             done clear
  C)
  Oxygen                               done clear
  D)
  Carbon dioxide done clear
  View Solution play_arrow

• question_answer6)
  In which of the following is ethanol used?
  A)
  Tincture iodine done clear
  B)
  Cough syrup done clear
  C)
  Alcoholic drinks done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer7)
  Which of the following is a part in the homologous series?
  A)
  Haloalkanes and alcohols done clear
  B)
  Aldehydes and ketones done clear
  C)
  Carboxylic acids done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer8)
  Identify the product formed when ethanoic acid reacts with carbonates and bicarbonates apart from water and carbondioxide.
  A)
  Sodium acetate done clear
  B)
  Ethane done clear
  C)
  Hydrogen peroxide done clear
  D)
  Acetic acid done clear
  View Solution play_arrow

• question_answer9)
  Which of the following is an allotrope of carbon?
  A)
  \[{{C}_{12}}\]                    done clear
  B)
  \[{{C}_{14}}\]                    done clear
  C)
  \[{{C}_{60}}\]                    done clear
  D)
  \[{{C}_{72}}\] done clear
  View Solution play_arrow

• question_answer10)
  When carboxylic acid is treated with \[NaHC{{O}_{3}}\] brisk effervescence is seen. Which gas is evolved?
  A)
  Oxygen gas. done clear
  B)
  Carbon dioxide gas. done clear
  C)
  Hydrogen gas. done clear
  D)
  Ammonia gas. done clear
  View Solution play_arrow

• question_answer11)
  Which set contains all the possible combustion products of methane?
  A)
  Carbon, carbon dioxide, carbon monoxide and water done clear
  B)
  Carbon, carbon monoxide and hydrogen done clear
  C)
  Carbon dioxide, carbon monoxide, hydrogen and water done clear
  D)
  Carbon monoxide and water done clear
  View Solution play_arrow

• question_answer12)
  What does isomerism explain?
  A)
  A difference in molecular formulae done clear
  B)
  A difference in molecular weights done clear
  C)
  A difference in chemical properties and structural formulae done clear
  D)
  A difference in molecular composition done clear
  View Solution play_arrow

• question_answer13)
  Identify an unsaturated hydrocarbon that has a cyclic structure.
  A)
  Ethene                                done clear
  B)
  Butene                done clear
  C)
  Benzene                             done clear
  D)
  Pentene                             done clear
  View Solution play_arrow

• question_answer14)
  The formula of \[{{C}_{17}}{{H}_{35}}CO{{O}^{-}}N{{a}^{+}}\] represents
  A)
  an acid.                                done clear
  B)
  a soap salt.                         done clear
  C)
  an alcohol.         done clear
  D)
  an ester.                             done clear
  View Solution play_arrow

• question_answer15)
  Which of the following is the use of ethanoic acid?
  A)
  It is used in the preparation of soaps. done clear
  B)
  It is used for manufacturing ethane. done clear
  C)
  It is used for making artificial fibre. done clear
  D)
  It is used in the preparation of oils. done clear
  View Solution play_arrow

• question_answer16)
  Identify the formula of benzene.
  A)
  \[{{C}_{6}}{{H}_{6}}\]                                     done clear
  B)
  \[{{C}_{5}}{{H}_{10}}\]                   done clear
  C)
  \[{{C}_{6}}{{H}_{12}}\]                                   done clear
  D)
  \[{{C}_{6}}{{H}_{14}}\]                   done clear
  View Solution play_arrow

• question_answer17)
  What is the IUPAC name of the compound given below? \[C{{H}_{3}}C{{H}_{2}}COC{{H}_{2}}C{{H}_{3}}\]
  A)
  1 - pentanone done clear
  B)
  2 - pentanone done clear
  C)
  2 - carboxybutane done clear
  D)
  3 - pentanone done clear
  View Solution play_arrow

• question_answer18)
  How many carbon atoms form a spherical molecule of Buckminister fullerene?
  A)
  40                                          done clear
  B)
  60                          done clear
  C)
  80                          done clear
  D)
  90 done clear
  View Solution play_arrow

• question_answer19)
  Identify the molecular formulae of the acid and the alcohol from which an ester can be prepared.
  A)
  \[C{{H}_{3}}COOH+{{C}_{2}}{{H}_{5}}OH\] done clear
  B)
  \[HCOOH+{{C}_{2}}{{H}_{5}}OH\] done clear
  C)
  \[HCOOH+C{{H}_{3}}OH\] done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}COOH+C{{H}_{3}}OH\] done clear
  View Solution play_arrow

• question_answer20)
  How is vinegar made?
  A)
  By mixing 5 -8 % of acetic acid in water done clear
  B)
  By mixing 25% of acetic acid in water done clear
  C)
  By mixing 40% of acetic acid in water done clear
  D)
  By mixing 50% of acetic acid in water done clear
  View Solution play_arrow

• question_answer21)
  What happens when wine is converted to vinegar?
  A)
  Ethanol is reduced to acetic acid. done clear
  B)
  Methanol is oxidized to acetic acid. done clear
  C)
  Ethanol is oxidized to acetic acid. done clear
  D)
  Methanol is reduced to acetic acid. done clear
  View Solution play_arrow

• question_answer22)
  Which salt of sodium in a detergent has cleansing properties on clothes in water?
  A)
  Benzene sulphonic acid done clear
  B)
  Benzene sulphonate done clear
  C)
  Benzene sulphide done clear
  D)
  Benzene sulphate done clear
  View Solution play_arrow

• question_answer23)
  Which of the following statements is correct?
  A)
  Soap gives lather in hard water. done clear
  B)
  Soaps are not biodegradable. done clear
  C)
  Soaps are the sodium salts of fatty acids with the ionic group \[[-CO{{O}^{-}}N{{a}^{+}}]\] done clear
  D)
  Soaps are the sodium salts of benzene sulphonic acids with the ionic group \[[-S{{O}_{3}}^{-}N{{a}^{+}}]\] done clear
  View Solution play_arrow

• question_answer24)
  Identify the uses of ethanol.
  A)
  It is used as an organic solvent. done clear
  B)
  It is used as a fuel in cars along with petrol. done clear
  C)
  It is used in alcoholic drinks. done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer25)
  Identify the enzyme which converts glucose to ethyl alcohol.
  A)
  Zymase                               done clear
  B)
  Invertase                            done clear
  C)
  Maltase                               done clear
  D)
  Diastase                              done clear
  View Solution play_arrow

• question_answer26)
  How many isomers does \[{{C}_{4}}{{H}_{10}}\] have?
  A)
  5                                             done clear
  B)
  7                             done clear
  C)
  2                                             done clear
  D)
  4 done clear
  View Solution play_arrow

• question_answer27)
  Match the entries of Column - I with those in Column - II.

  	Column - I		Column - II
  a.	Hexane	1.	\[{{C}_{4}}{{H}_{10}}\]
  b.	Ethane	2.	\[{{C}_{6}}{{H}_{12}}\]
  c.	Pentene	3.	\[{{C}_{5}}{{H}_{10}}\]
  d.	Hexane	4.	\[{{C}_{2}}{{H}_{6}}\]
  e.	Butane	5.	\[{{C}_{6}}{{H}_{14}}\]

  A)
  a-5, b-4, c-3, d-1, e-2 done clear
  B)
  a-3, b-4, c-2, d-5, e-1 done clear
  C)
  a-5, b-4, c-3, d-2, e-1 done clear
  D)
  a-5, b-2, c-1, d-4, e-3 done clear
  View Solution play_arrow

• question_answer28)
  According to IUPAC nomenclature system, what is the name of the compound given below.                 \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]
  A)
  Butanol done clear
  B)
  2 - methyl butan-3-ol done clear
  C)
  3 - methyl butan-2-ol done clear
  D)
  Pentanol done clear
  View Solution play_arrow

• question_answer29)
  Which hydrocarbon exhibits isomerism?
  A)
  Ethane                 done clear
  B)
  Propane              done clear
  C)
  Butane                done clear
  D)
  Methane done clear
  View Solution play_arrow

• question_answer30)
  Which of the following tests can distinguish chemically a sample of cooking oil and butter?
  A)
  Chlorine water test done clear
  B)
  Bromine water test done clear
  C)
  Iodine water test done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer31)
  Identify the IUPAC name of HCHO from the following.
  A)
  Methanal                           done clear
  B)
  Methanol                           done clear
  C)
  Formalin                             done clear
  D)
  Formaldehyde                 done clear
  View Solution play_arrow

• question_answer32)
  Which of the following is used to convert an unsaturated hydrocarbon into a saturated hydrocarbon?
  A)
  \[{{H}_{2}}\]                                      done clear
  B)
  \[B{{r}_{2}}\]                                    done clear
  C)
  \[C{{l}_{2}}\]                     done clear
  D)
  \[{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer33)
  What is the difference in the formulae and molecular masses of \[C{{H}_{3}}OH\] and \[{{C}_{2}}{{H}_{5}}OH\]?
  A)
  \[C{{H}_{3}}\] and 16 units done clear
  B)
  \[C{{H}_{2}}\] and 14 units done clear
  C)
  \[C{{H}_{4}}\] and 18 units done clear
  D)
  \[C{{H}_{3}}\] and 16 units done clear
  View Solution play_arrow

• question_answer34)
  Which of the following is formed when soap water acts on clothes to remove dirt or grease?
  A)
  Acid                                      done clear
  B)
  Base                     done clear
  C)
  Micelle                                done clear
  D)
  Ethyl alcohol done clear
  View Solution play_arrow

• question_answer35)
  Identify the IUPAC name of the following structure. \[H-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\overset{\begin{smallmatrix}  H \\  | \end{smallmatrix}}{\mathop{C}}}\,-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\overset{\begin{smallmatrix}  H \\  | \end{smallmatrix}}{\mathop{C}}}\,-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\overset{\begin{smallmatrix}  H \\  | \end{smallmatrix}}{\mathop{C}}}\,-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{C}}\,-OH\]
  A)
  Pentanone                        done clear
  B)
  Butyric acid                        done clear
  C)
  Butanoic acid    done clear
  D)
  Butanone                           done clear
  View Solution play_arrow

• question_answer36)
  Identify the ionic part of a synthetic detergent.
  A)
  \[-S{{O}_{3}}^{-}N{{a}^{+}}\]                     done clear
  B)
  \[-CO{{O}^{-}}N{{a}^{+}}\]                         done clear
  C)
  \[-CO{{O}^{-}}{{H}^{+}}\]                            done clear
  D)
  \[-CO{{O}^{-}}C{{H}_{3}}^{+}\]                 done clear
  View Solution play_arrow

• question_answer37)
  Identify the correct ratio of the hydrogen atoms present in propane and propyne.
  A)
  1 : 2                                       done clear
  B)
  2 : 1                                       done clear
  C)
  3 : 2                                       done clear
  D)
  2 : 3 done clear
  View Solution play_arrow

• question_answer38)
  Which of the following statements is correct about Buckminster fullerene?
  A)
  It is like a football. done clear
  B)
  It looks like a geodesic dome. done clear
  C)
  It has hexagonal ring structure. done clear
  D)
  Both (a) and (b) done clear
  View Solution play_arrow

• question_answer39)
  Study the reaction given below. \[\underset{Acetic\,acid}{\mathop{C{{H}_{3}}-COOH}}\,+\underset{Ethyl\,alcohol}{\mathop{C{{H}_{3}}-C{{H}_{2}}-OH}}\,\xrightarrow[{}]{conc.\,{{H}_{2}}S{{O}_{4}}}'X'+{{H}_{2}}O\] Identify the number of mole(s) of compound 'X' formed.                
  A)

  Moles	Compound X
  2	Propanoic acid

  done clear
  B)
   

  Moles	Compound X
  1	Butanoic acid,

  done clear
  C)
   

  Moles	Compound X
  3	Ester

  done clear
  D)
   

  Moles	Compound X
  1	Ester

  done clear
  View Solution play_arrow

• question_answer40)
  \[C{{H}_{3}}-C{{H}_{2}}-OH\xrightarrow[\Delta ]{conc.{{H}_{2}}S{{O}_{4}}}\,\,'{P}'+{{H}_{2}}O\] What is 'P'?
  A)
  Ethane                                 done clear
  B)
  Ethene                done clear
  C)
  Ethyne                                 done clear
  D)
  Propene done clear
  View Solution play_arrow