Organic Chemistry For Dummies

15 Questions | By FlordofArena | Updated: Mar 22, 2022 | Attempts: 350

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This is a shortish quiz that covers some key concepts of OCR F322 organic chemistry

Questions and Answers

1.

Bromine reacts with propane in a radical substitution reaction. Below, detail the 3 stages of this reaction and write the equations for each stage.
2.

Dichloromethane can be made by reacting methane with chlorine. Another substance is produced in the process. What is this substance?
3.

Which of the following is an alkane?
- A.
  
  C3H7COOH
- B.
  
  C3H5OH
- C.
  
  CH4
- D.
  
  C2H2
- E.
  
  C60H122
- F.
  
  C50H98
4.

Which one of the following can differentiate ethane from ethene?
- A.
  
  A lighted splint
- B.
  
  Aqueous bromine
- C.
  
  Limewater
- D.
  
  Litmus solution
5.

Methane is used as a fuel. What property is essential for this use?
- A.
  
  It burns exothermically
- B.
  
  It is a gas
- C.
  
  It is odourless
- D.
  
  It has a low boiling point
6.

What method can be used to obtain ethene from alkanes?
- A.
  
  Distillation
- B.
  
  Polymerisation
- C.
  
  Dehydrogenation
- D.
  
  Cracking
7.

Which one of these equations does not represent an addition reaction?
- A.
  
  CH2Cl2+Cl2-->CHCl3+HCl
- B.
  
  C2H4+Br2-->C2H4B2
- C.
  
  NC2H4-->-[CH2-CH2]-n
- D.
  
  C3H6+H2O-->C3H7OH
8.

Octane is an alkane found in petrol. Which statement is true about octane?
- A.
  
  It can be polymerised
- B.
  
  It decolourises aqueous bromine
- C.
  
  It has a lower boiling point than methane
- D.
  
  It reacts with chlorine by substitution
9.

Balance the equation: _CH4 + _O2 --> _CO2 + _H2O enter your answer like this: x,x,x,x
10.

When octane, an alkane present in petrol, is completely burnt, what are the products?
- A.
  
  Carbon dioxide
- B.
  
  Carbon monoxide
- C.
  
  Hydrogen
- D.
  
  Water
- E.
  
  Carbon
11.

A 10cm^3 sample of gaseous hydrocarbon is completely burnt in oxygen. The total volume of the products is 70cm^3. Which equation represents the combustion?
- A.
  
  CH4(g)+2O2(g)-->CO2(g)+2H2O
- B.
  
  C3H8(g)+5O2(g)-->3CO2(g)+4H2O(g)
- C.
  
  C2H4(g)+3O2(g)-->2CO2(g)+2H2O(g)
- D.
  
  2C2H6(g)+7O2(g)-->4CO2(g)+6H2O(g)
12.
13.
14.
15.

Ethanol is an example of a......
- A.
  
  Primary alcohol
- B.
  
  Secondary alcohol
- C.
  
  Tertiary alcohol
- D.
  
  Ketone