Organic Chemistry - IGCSE Chemistry Unit 10 Exam Questions With Correct Answers.
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Course
Organic Chemistry
Institution
Organic Chemistry
Organic Chemistry - IGCSE Chemistry Unit
10 Exam Questions With Correct Answers.
What is the only type of bond Carbon can form? - answerCovalent bonds
4 examples of inorganic Carbon compounds - answerCO, CO2, CO3, HCO3
What 4 compounds are found as gases (Alkanes)? - answerMethane, Ethane, Prop...
What 4 compounds are found as gases (Alkanes)? - answer✔✔Methane, Ethane, Propane,
Butane
What happens to the compound's physical properties as the number of Carbons increases? -
answer✔✔Melting/Boiling point increases
Alkanes are considered to be ______ reactive (very/not very) - answer✔✔Not very
Combustion of methane - answer✔✔CH4 + 2O2 -> CO2 + 2H2O + energy
Combustion of ethane - answer✔✔2C2H6 + 7O2 -> 4CO2 + 6H2O + energy
Halogen alkanes are ________ reactive than alkanes (more/less reactive) - answer✔✔More
reactive
What is one way to make alkanes react more vigorously? - answer✔✔Halogenation of Alkanes
Reaction between methane and chlorine - answer✔✔CH4 + Cl - (UV light)-> CH3CL + HCl
State the name of this Hydroalkane: CH3Cl - answer✔✔Chloromethane
Define isomer - answer✔✔Same compound, different structure
(Example of an) Equation for cracking of Octane - answer✔✔C8H18 -(Catalyst)-(heat)-> C3H4
(ethene) + C6H12 (hexene)
Draw 2 different isomers of Butane - answer✔✔
Draw 3-methyl pentane - answer✔✔
Draw 2,2-dimethyl butane. - answer✔✔
3 rules to keep in mind when naming halides - answer✔✔1. Longest chain possible (of carbon)
, THEBRIGHT EXAM SOLUTIONS 8/20/2024 8:37 PM
2. Smallest number possible (eg 2, 2 dimethyl butane not 3, 3 dimethyl butane (C6H14))
3. Follow alphabetical order (eg 2-bromo, 3-chloro, 3-methyl butane)
Draw a reaction between Propane and Bromine (include names of compounds) - answer✔✔
What are the 2 main reactions alkanes undergo? - answer✔✔Combustion and Halogenation
Adding hydrogen to alkanes can also be known as a (________ reaction) on top of being called a
halogenation reaction - answer✔✔Substitution reaction
Alkanes can only undergo a substitution reaction with _______ - answer✔✔Halogens
Adding a halogen is called a ______ reaction - answer✔✔Halogenation rxn
Adding a halogen to an alkane is also called a __________ reaction - answer✔✔Substitution rxn
Adding a halogen to an alkene is also called an __________ reaction - answer✔✔Addition rxn
Naming a halogen alkane depends on _______ - answer✔✔The location of the halogen
What is the main difference between alkanes and alkenes? - answer✔✔Alkenes have a double
bond/alkanes don't
(+ General formula)
Double bonds can also be referred to as _______ - answer✔✔Unsaturated bonds
The presence of double bonds makes an alkene __________ reactive than an alkane (more/less
reactive) - answer✔✔More reactive
Draw ethene - answer✔✔
Draw but-1-ene - answer✔✔
As you go down the alkene group, the melting/boiling point _______ (increases/decreases) -
answer✔✔Increases
How do you test to differentiate alkanes and alkenes? - answer✔✔Test for saturation
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