Consider the following organic reactions. Reaction 1: H H | | C---C + H2O ---> Compound X + H2 | | H H Reaction 2: C2H2 + O2 CO2 + H2O + Heat Reaction 3: C4H8 + H2 ---> Product Y Reaction 4: H H | | C---C { } | | H H 4.1 Consider reaction 1. 4.1.1 Name the type of reaction. 4.1.2 Write down the CONDENSED STRUCTURAL FORMULA of compound X. 4.1.3 Is compound X a PRIMARY, SECONDARY or TERTIARY alcohol? 4.2 Consider reaction 2. 4.2.1 Balance the chemical equation for this reaction. 4.2.2 Is this an EXOTHERMIC or ENDOTHERMIC reaction? Give a reason. 4.3 Consider reaction 3. Product Y is used in cigarette lighters. 4.3.1 Name the type of ADDITION reaction taking place. 4.3.2 Write down the IUPAC name of product Y. 4.3.3 Write down the NAME or FORMULA of the catalyst used. 4.4 Reaction 4 is a polymerisation reaction used to produce plastics. 4.4.1 Define the term polymer. 4.4.2 Write down the NAME of the monomer used in this reaction.

NSC Technical Sciences Reactions of Organic Compounds: Consider the following organic r

Consider the following organic reactions - NSC Technical Sciences - Question 4 - 2024 - Paper 2

Question 4

Consider the following organic reactions. Reaction 1: H H | | C---C + H2O ---> Compound X + H2 | | H H Reaction 2: C2H2 + O2 <----> CO2 + H2... show full transcript

Worked Solution & Example Answer:Consider the following organic reactions - NSC Technical Sciences - Question 4 - 2024 - Paper 2

Step 1

4.1.1 Name the type of reaction.

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Answer

The type of reaction is a Substitution reaction (or Hydrolysis).

Step 2

4.1.2 Write down the CONDENSED STRUCTURAL FORMULA of compound X.

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Answer

The condensed structural formula of compound X is CH3CH2OH.

Step 3

4.1.3 Is compound X a PRIMARY, SECONDARY or TERTIARY alcohol?

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Answer

Compound X is a PRIMARY alcohol.

Step 4

4.2.1 Balance the chemical equation for this reaction.

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Answer

The balanced chemical equation for Reaction 2 is:

$2C2H2 + 5O2 \rightarrow 4CO2 + 2H2O + \text{Heat}$

Step 5

4.2.2 Is this an EXOTHERMIC or ENDOTHERMIC reaction? Give a reason.

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Answer

This is an EXOTHERMIC reaction because heat energy is released during the reaction.

Step 6

4.3.1 Name the type of ADDITION reaction taking place.

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Answer

The type of addition reaction taking place is Hydrogenation.

Step 7

4.3.2 Write down the IUPAC name of product Y.

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Answer

The IUPAC name of product Y is Butane.

Step 8

4.3.3 Write down the NAME or FORMULA of the catalyst used.

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Answer

The catalyst used is Platinum (Pt) or Palladium (Pd) or Nickel (Ni).

Step 9

4.4.1 Define the term polymer.

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A polymer is a large molecule composed of smaller monomer units covalently bonded to each other in a repeating pattern.

Step 10

4.4.2 Write down the NAME of the monomer used in this reaction.

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Answer

The monomer used in this reaction is Ethene.

Consider the following organic reactions - NSC Technical Sciences - Question 4 - 2024 - Paper 2

Worked Solution & Example Answer:Consider the following organic reactions - NSC Technical Sciences - Question 4 - 2024 - Paper 2

4.1.1 Name the type of reaction.

4.1.2 Write down the CONDENSED STRUCTURAL FORMULA of compound X.

4.1.3 Is compound X a PRIMARY, SECONDARY or TERTIARY alcohol?

4.2.1 Balance the chemical equation for this reaction.

4.2.2 Is this an EXOTHERMIC or ENDOTHERMIC reaction? Give a reason.

4.3.1 Name the type of ADDITION reaction taking place.

4.3.2 Write down the IUPAC name of product Y.

4.3.3 Write down the NAME or FORMULA of the catalyst used.

4.4.1 Define the term polymer.

4.4.2 Write down the NAME of the monomer used in this reaction.

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