Q.1
Which of the following is unsaturated hydrocarbon ?
  • propane
  • propene
  • propanol
  • propanoic acid
Q.2
Which of the following is a saturated hydrocarbon?
  • ethene
  • heptane
  • propyne
  • methanol
Q.3
What is the empirical formula of 4-hydroxypent-2-ene?
  • C5H12O
  • C5H10O
  • CH2O
  • C5H9OH
Q.4
Which molecule is not produced when ethane reacts with bromine in the presence of ultraviolet light?
  • C2H4Br2
  • HBr
  • H2
  • C4H10
Q.5
Which correctly represents an incomplete combustion of pentane?
  • C5H12 + 8O2 ⟶ 5CO2 + 6H2O
  • C5H12 + 8O2 ⟶ 4CO + CO2 + 6H2O
  • C5H12 + 6O2 ⟶ 4CO + CO2 + 6H2O
  • C5H12 + 5O2 ⟶ 4CO + CO2 + 4H2O + 2H2
Q.6
The first member of the alkene series is methene.
  • True
  • False
Q.7
General formula of Alkene is
  • CnH2n+2
  • CnH2n
  • CnH2n+1OH
  • CnH2n+1COOH
Q.8
What is the product of the Br2 addition to methycyclohexene?
  • 1,2-dibromo-1-methylcyclohexene
  • 1,2-dibromo-1-methylcyclohexane
Q.9
If an alkene hascarbon atoms, how many hydrogen atoms will it have?
  • 20
  • 22
  • 40
  • 42
Q.10
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
  • single
  • double
  • triple
  • quadruple
Q.11
Cracking large hydrocarbons releases...
  • alkanes and alkenes
  • alkanes only
  • alkenes only
  • polymers only
Q.12
C10H--> C5H+ C3H6 + ?
  • C2H4
  • C3H4
  • CO2
  • CH4
Q.13
Complete the equation C16H---> __________ + C2H4
  • C16H34
  • C2H30
  • C10H20
  • C14H30
Q.14
What liquid detects the presence of an alkene?
  • Alkene water
  • Bromine water
  • Water
  • Limewater
Q.15
Cracking.....
  • Breaks larger hydrocarbons into smaller hydrocarbons
  • Separates hydrocarbons based on their length
  • Detects alkenes
Q.16
Carboxylic acid + ? --> ester
  • water
  • alkene
  • alcohol
  • alkane
Q.17
Alcohol + ? --> carboxylic acid
  • hydrogen
  • oxygen (oxidising agent)
  • water
  • carbon dioixde
Q.18
Alkene + ? --> alcohol
  • hydrogen
  • oxygen
  • water
  • carbon dioixde
Q.19
What catalyst is used in making esters?
  • sodium hydroxide
  • iron
  • sulfuric acid
  • lithium oxide
Q.20
The boiling points and viscosity of alkane molecules increase as their molecular sizes increase.
  • True
  • False
0 h : 0 m : 1 s