6. Which of the following compounds does NOT exhibit E-Z isomerism?
CH2=CHCBr=CHF
CH(NH2)=CCl2
CF(COOH)=CHCH3
CH(COOCH3)=CHI
7. Long chain alkanes can be cracked down thermally into smaller, more useful ones. Which of the following shows the correct equation for the thermal cracking of octane?
C8H18 -> C2H4 + C3H6 + C3H8
C8H18 -> 2C3H8 + C2H4
C8H20 -> C2H4 + C3H6 + C3H8
C8H18 -> C2H6 + C3H6 + C3H8
8. Give the condensed structural formula for 1,2-dibromobutan-1-ol.
CHBrCHBrOHCH2CH3
CHBr2OHCHCH2CH3
CHBrOHCHBrCH2CH3
CH3CH2BrCHCHBrOH
9. Name this compound: CH2Cl=C(CH3)CH2CH3.
1-chloro-2-ethylpropene
1-chloro-2-methylbut-1-ene
1-chloro-2-methylprop-1-ene
1-chloro-2-methylbut-2-ene
10. Which of the following statements about catalytic converters is true?
Carbon compounds like C4H10 are oxidised while nitrogen compounds like NO2 are reduced.
Harmful gases are converted into harmless ones.
Carbon compounds like C4H10 are oxidised while nitrogen compounds like NO3 are reduced.
Carbon compounds like C4H10 are reduced while nitrogen compounds like NO2 are oxidised.
11. Define the term Secondary Halogenoalkane.
A halogenoalkane which has two carbon atoms directly bonded to the halogen atom that is bonded to the carbon.
A halogenoalkane which has three carbon atoms directly bonded to the carbon atom that is bonded to the halogen.
A halogenoalkane which has two carbon atoms directly bonded to the carbon atom that is bonded to the halogen.
A halogenoalkane which has two carbon atoms directly bonded to the carbon molecule that is bonded to the halogen.
12. Define the term Structural Isomers.
Molecules which have the same general formula but a different structural formula.
Molecules which have the same molecular formula but a different skeletal formula.
Molecules which have the same molecular formula but a different structural formula.
Molecules which have the same molecular formula but a different arrangement in space.
13. Why would a pear shaped flask be used in reflux?
Condensed droplets run back into the liquid.
Ensures smooth boiling.
Holds more liquid.
Compact
14. Which equation best shows the reaction between sodium hydroxide and 2-chlorobutane?