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Q1-3:Under certain conditions ethane will react slowly with bromine.

  
1. The conditions required for this reaction are ...
  • A.   a temperature of 300oC
  • B.   a catalyst of alumina or silica
  • C.   sunlight or u.v. light
  • D.   a pressure of 60atm
2. The correct equation for the reaction between ethane and bromine is ...
  • A.  C2H6 + Br2  →  C2H5Br + HBr
  • B.  C2H6 + Br2  →  C2H4Br2 + H2
  • C.  C2H6 + Br2  →  C2H6Br2 
  • D.  C2H4 + Br2  →  C2H4Br2  

3. The reaction between ethane and bromine is a(n) reaction.
4. Isomers are molecules with the ...
  • A.   same general formula but a different structural formula
  • B.   same molecular formula but a different structural formula
  • C.   same general formula but a different molecular formula
  • D.   same molecular formula but a different functional group

5. Hexane has the structure:       

hexane structure

Which one of the following is an isomer of hexane?

  

     4 x isomer structure
6. Which of the following structures, X, Y and Z are isomers of C4H8 ?

isomers XYZ

  
  • A.   X only
  • B.   X and Y only
  • C.   X and Z only
  • D.   X, Y and Z

Q7-10 refer to the following compounds, P, Q, R and S:

 

  

7. Which compounds are isomers?

  • A.   P and Q
  • B.   P and R
  • C.   R and S
  • D.   Q and S
8. Which compound(s) will decolourise bromine water immediately?
  • A.   P and Q
  • B.   P and R
  • C.   R and S
  • D.   Q and S
9. Which compound(s) can form addition polymers?
  • A.   P and Q
  • B.   P and R
  • C.   R and S
  • D.   Q and S

10. Which compounds are different members of the same homologous series?

  • A.   P and Q
  • B.   P and R
  • C.   R and S
  • D.   Q and S