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Chemistry µGCSE:

Further Hydrocarbons

10 quick questions - for iGCSE

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10 minutes maximum! (can you do it in 5?)

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/an 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