5 Questions |
By SamuelTay4p223 | Last updated: Aug 8, 2017
| Total Attempts: 1686
A short quiz to test and reinforce your understanding on the topic of organic chemistry
Questions and Answers
Why are large alkane molecules cracked to form smaller molecules?
Alkanes with large molecules are not useful.
Small alkane molecules can be polymerised.
Crude oil does not contain small alkane molecules.
To meet the demand for small alkane molecules.
Which fraction contains the largest molecules?
Which statement about 'fossil fuel' is not true?
They all contain carbon.
They are renewable.
They produce pollutants when burnt.
They may cause acid rain.
Which of the following is not made from crude oil?
Write the molecular and condensed structural formula of a straight chain alkane
a) 6 carbon atoms
b) 12 hydrogen atoms
2) Ethane is reacted with bromine under UV light.
a) State the type of reaction which occurs.
b) State the 3 stages of the type of reaction stated in (a).
c) Write the chemical formula of all possible products formed in this reaction.
3) a) Write a chemical equation for the complete combustion of propane.
b) If propane undergoes incomplete combustion, what are the possible products?
4) The relative molecular mass of propane, C3H8
and methanol, CH3OH
are 44 and 32 respectively. Which substance would have a higher boiling point?
Explain your answer.
Functional groups are specific substituents within molecules that are responsible for the characteristic chemical reactions of those molecules. The same functional groups undergo the same reaction regardless of the size of their...
Questions: 18 | Attempts: 19069 | Last updated: Aug 4, 2021
This test is given to help you in reviewing Module 1 of OLD PACOP as a preparation for the upcominng Board Examination. I know you have your PACOP reviewer with you but at least try to answer the following questions honestly. You...
Questions: 30 | Attempts: 13023 | Last updated: Aug 19, 2020
Which anion evolves a gas with fruity odor when treated with concentrated sulfuric acid and ethanol?
Carbohydrates have six major functions within the body; they provide energy and regulation of blood glucose. Most people think that too much carbohydrate is unhealthy. Having studies them in class you have a clear...
Questions: 27 | Attempts: 3762 | Last updated: Aug 21, 2020