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Questions and Answers
What is the common name for the compound with the formula CH3-C-CH3?
What is the common name for the compound with the formula CH3-C-CH3?
What is the IUPAC name for formaldehyde?
What is the IUPAC name for formaldehyde?
Considering the compound formaldehyde, which functional group is primarily present?
Considering the compound formaldehyde, which functional group is primarily present?
What is the IUPAC name for the compound represented by the formula CH₂?
What is the IUPAC name for the compound represented by the formula CH₂?
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What is the correct structural formula for acetone?
What is the correct structural formula for acetone?
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Which compound contains a nitrogen atom in its structure?
Which compound contains a nitrogen atom in its structure?
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Which of the following compounds is an aromatic amine?
Which of the following compounds is an aromatic amine?
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Identifying functional groups, which compound is a carboxylic acid?
Identifying functional groups, which compound is a carboxylic acid?
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Which compound is primarily used as a solvent and is a methoxy derivative of phenol?
Which compound is primarily used as a solvent and is a methoxy derivative of phenol?
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Which of the following compounds is known for its use in the synthesis of aromatic compounds?
Which of the following compounds is known for its use in the synthesis of aromatic compounds?
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What is the correct IUPAC name for chlorobenzene?
What is the correct IUPAC name for chlorobenzene?
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Which compound can be considered an aromatic amine?
Which compound can be considered an aromatic amine?
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Identify the correct IUPAC name for a compound with the formula C6H5COCl?
Identify the correct IUPAC name for a compound with the formula C6H5COCl?
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Which of the following is NOT a characteristic of nitrobenzene?
Which of the following is NOT a characteristic of nitrobenzene?
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What is the correct IUPAC name for the compound with the structural formula C6H5CHO?
What is the correct IUPAC name for the compound with the structural formula C6H5CHO?
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Which compound is represented by the structure CH3-C≡C-CH2-CH3?
Which compound is represented by the structure CH3-C≡C-CH2-CH3?
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What is the IUPAC name for the compound CH≡C-C≡C-C≡CH?
What is the IUPAC name for the compound CH≡C-C≡C-C≡CH?
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Which compound has the formula CH2=CH-C≡C-CH3?
Which compound has the formula CH2=CH-C≡C-CH3?
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What is the correct name for CH≡C-CH2-C≡CH?
What is the correct name for CH≡C-CH2-C≡CH?
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Identify the compound that contains one double bond and one triple bond, represented as CH≡C-CH2-C≡CH.
Identify the compound that contains one double bond and one triple bond, represented as CH≡C-CH2-C≡CH.
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What is the correct product formation when CH₄ reacts with O₂ to produce CO₂?
What is the correct product formation when CH₄ reacts with O₂ to produce CO₂?
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Which reaction represents the conversion of CH₄ to methanol?
Which reaction represents the conversion of CH₄ to methanol?
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What type of reaction is represented by the transformation of n-Heptane to Benzene?
What type of reaction is represented by the transformation of n-Heptane to Benzene?
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Which is the correct representation of cracking dodecane (C₁₂H₂₆)?
Which is the correct representation of cracking dodecane (C₁₂H₂₆)?
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What is the outcome of the reaction CH₄ → CO + 3H₂?
What is the outcome of the reaction CH₄ → CO + 3H₂?
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What rule is applied during the addition of HBr to an alkene that directs the hydrogen atom to the more substituted carbon?
What rule is applied during the addition of HBr to an alkene that directs the hydrogen atom to the more substituted carbon?
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Which reagent is known as Baeyer's reagent that can oxidize alkenes to alcohols?
Which reagent is known as Baeyer's reagent that can oxidize alkenes to alcohols?
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In the presence of cold KMnO4 in an alkaline medium, what functional group is typically formed from alkenes?
In the presence of cold KMnO4 in an alkaline medium, what functional group is typically formed from alkenes?
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What is the primary product when methyl cyclohexane undergoes oxidation with K2Cr2O7 in an acidic medium?
What is the primary product when methyl cyclohexane undergoes oxidation with K2Cr2O7 in an acidic medium?
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Which reaction is likely to result in the formation of a carbocation intermediate?
Which reaction is likely to result in the formation of a carbocation intermediate?
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Study Notes
Alkynes Worksheet
-
Molecular Formulas:
- Alkanes: CnH2n+2
- Alkenes: CnH2n
- Alkynes: CnH2n-2
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Hydrocarbons with Triple Bonds:
- Hydrocarbons containing one triple bond between two carbon atoms are called alkynes.
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First Stable Alkyne:
- Acetylene (ethyne) is the first stable member of alkynes.
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Bonds in Ethyne:
- Ethyne (acetylene) has one triple bond and two single bonds.
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Symmetrical Alkynes:
- Alkynes in which both sides of the triple bond are the same are called symmetrical alkynes.
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Hybridisation of Alkynes:
- The hybridization of alkynes is sp.
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Bond Angle of Alkynes:
- The bond angle of alkynes is 180°.
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Geometry of Alkynes:
- Alkynes have a linear geometry.
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Uses of Alkynes:
- Used in the preparation of ethanal, acetone, acetic acid.
- Used in the manufacture of polymers, synthetic rubber, synthetic fibers, plastics, etc.
- Used for the artificial ripening of fruits.
- Used in oxy-acetylene flames for welding and cutting metals.
Additional Reactions and Names
- 6CH4 + 2O2 → 2CO2 + 10H2O + heat: Methane combustion
- CaC2 + 2H2O → Ca(OH)2 + C2H2: Calcium carbide reacting with water to form ethyne
- Be2C + 2H2O → 2Be(OH)2 + CH4: Beryllium carbide, reacting with water producing methane
- Mg2C3 + 4H2O → 2Mg(OH)2 + C3H4: Magnesium Carbide reacting with water producing propyne
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Description
Test your knowledge of alkynes with this worksheet that covers molecular formulas, properties, and uses of these hydrocarbons. Learn about the structure and applications of acetylene and other symmetrical alkynes. Perfect for chemistry students looking to reinforce their understanding of organic compounds.
