Quiz  /  Carbon and its Compounds Class 10 MCQ Questions With Answers

  • 1. 
    The property of self-linkage among identical atoms to form long chain compounds is known

  • Superposition
  • Catenation
  • Isomerisation
  • Halogenation

  • 2. 
    Which of the following compound is saturated hydrocarbon?I CH3CH2CH2CH3II CH3CHC(CH3)2III CH3CH2CH(CH3)2IV CH3CHCHCH3

  • I and III
  • II and IV
  • I, II and III
  • I, III and IV

  • 3. 
    Benzene Formula is

  • C6H12
  • C6H8
  • C8H6
  • C6H6

  • 4. 
    Prefix 'prop' is used when no. of carbon are

  • 1
  • 3
  • 4
  • 5

  • 5. 
    Which two functional groups are present?

  • two alcohols
  • aromatic and amine
  • carboxylic acid and alcohol
  • ketone and ester

  • 6. 
    Covalent compound

  • has low melting and boiling point
  • is generally poor conductors of electricity
  • has weak inter-molecular forces
  • All of the above

  • 7. 
    Covalent bonds

  • has low melting and boiling point
  • are generally poor conductors of electricity
  • has weak inter-molecular forces
  • All of the above

  • 8. 
    The carbons circled in red...

  • are double bonded
  • are sharing two pairs of electrons
  • are sharing three pairs of electrons
  • Are sharing six electrons

  • 9. 
    What are the products formed when propane is burnt in excess oxygen?

  • Carbon and hydrogen
  • Carbon dioxide and water
  • Carbon monoxide and water
  • Carbon monoxide and hydrogen

  • 10. 
    While cooking, if the bottom of the vessel is getting blackened on the outside, it means that:

  • The food is not cooked completely
  • The fuel is not burning completely
  • The fuel is wet
  • The fuel is burning completely

  • 11. 
    What structure is shown in the diagram?

  • Diamond
  • Graphite

  • 12. 
    Carbon is

  • divalent
  • trivalent
  • tetravalent
  • pentavalent

  • 13. 
    Which compound below is Organic?

  • C6H12O6
  • H2O
  • N2
  • BaBr2

  • 14. 
    How many hydrogens does propyne have?

  • 4
  • 6
  • 8
  • 10

  • 15. 
    Which of these has the formula C60?

  • graphite
  • diamond
  • fullerene
  • none of these

  • 16. 
    How many carbons are there in the longest chain?

  • 5
  • 3
  • 1
  • 6

  • 17. 
    Which molecular chemical bond found commonly in organic compounds?

  • Hydrogen Bond
  • Ionic Bond
  • Van Der Waals Force
  • Covalent Bond

  • 18. 
    Cation is formed when

  • Atom gains electrons
  • Atom loses electrons
  • Proton is lost by the atom
  • Atom shares electrons

  • 19. 
    Which consists of carbon atoms?

  • graphite
  • diamond
  • fullerene
  • all of these

  • 20. 
    How many bonds will a C atom form?

  • 1
  • 2
  • 3
  • 4

  • 21. 
    From which of the following substance pencil lead is formed?

  • Charcoal
  • Wood
  • Lead
  • Graphite

  • 22. 
    Alkanes are saturated hydrocarbons. What does this mean?

  • There are some C=C double bonds present in the molecule
  • All C atoms are bonded by single covalent bonds
  • They are very reactive
  • They have both double and single bond between carbons

  • 23. 
    What would the formula be for the 56 carbon alkene?

  • C56H114
  • C56H112
  • C56H110
  • C56H56

  • 24. 
    Which of the following is the molecular formula of cyclobutane?

  • C4H10
  • C4H6
  • C4H8
  • C4H4
Report Question
warning
access_time
  Time