NSC / Matric Organic Molecules — practice questions

Explore 2 free Organic Molecules questions in NSC / Matric Physical Sciences. Open each question or exercise to read its content, reference answers and available explanation.

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Organic Molecules questions and exercises with answers

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Mark the organic chemistry termRead the answer and worked solution →Sort hydrocarbons by their bondingRead the answer and worked solution →

Worked practice questions

Mark the organic chemistry term

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Clues and terms

Clue
Hydrocarbon series with single carbon to carbon bonds only, so it is saturated
Item
Alkane
Clue
Hydrocarbon series holding at least one double bond between two carbon atoms
Item
Alkene
Clue
Hydrocarbon series holding at least one triple bond between two carbon atoms
Item
Alkyne
Clue
Carries a hydroxyl group bound to a carbon atom
Item
Alcohol
Clue
Carbonyl group sits at the end of the carbon chain
Item
Aldehyde
Clue
Carbonyl group sits in the middle of the carbon chain
Item
Ketone
Clue
Group that marks an organic acid, a carbonyl carbon also holding a hydroxyl
Item
Carboxyl
Clue
Made when an alcohol reacts with a carboxylic acid and water leaves
Item
Ester
Clue
Alkane with one hydrogen swapped for fluorine, chlorine, bromine or iodine
Item
Haloalkane

Instructions

Read each call, tap its term on the board. Three in a line is bingo.

_Source: Siyavula Physical Sciences Grade 12 (CC BY 4.0), Chapter 4 Organic Molecules_

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Sort hydrocarbons by their bonding

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Items

Group
Saturated
Item
Methane
Group
Unsaturated
Item
Ethene
Group
Saturated
Item
Ethane
Group
Unsaturated
Item
Ethyne
Group
Unsaturated
Item
Propene
Group
Saturated
Item
Propane
Group
Unsaturated
Item
But-1-yne
Group
Saturated
Item
Octane

Groups

Item
Saturated
Item
Unsaturated