Monday, April 27, 2015

Year 10 - Chemistry - 27-4-15

  1.       What is the General formula for an Alcohol?

   2.       What does Homologous mean?

3.       What is the name of the alcohol containing one, two and there Carbon Atoms?

  4.       What is the functional group of alcohol?

  5.       Is cholesterol an Alcohol?

  6.       Draw the structural formula of Ethanol and Propanol.


   7.       What is the molecular formula of Butanol and Pentanol?

   8.       Write the Balanced equation for the reaction between Alcohol and Carboxylic Acids.


   9.       Write the Balanced equation for the combustion of Ethanol.


   10.   Write the Balanced equation for the preparation of Ethanol from

a)      Fermentation of Glucose

b)      Ethane
   11.   What is the catalyst used for the reaction between steam and Ethen?

   12.   What is fermentation?


   13.   Why must fermentation be carried out in the absence of air?


   14.   Why does fermentation stops when alcohol concentration reaches about 10-14%?


   15.   Give two uses of alcohols.


   16.   What is added to methylated sprit to make it poisonous to drink?

   17.   What is the product of dehydration of Ethanol?

   18.   What is the catalyst used for the dehydration of Ethanol?

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