Organic Chemistry Reactions Quiz

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Questions and Answers

What is the product formed when R-X reacts with potassium cyanide?

  • Alkyl cyanide (correct)
  • Alkane
  • Alkyl nitrite
  • Nitrosoalkane

The reaction of R-X with silver nitrite produces an alkene.

False (B)

What is formed as a result of hydrolysis of a Grignard reagent?

Alkane

The elimination reaction of CH₃-CH₂-Br with KOH yields the product _____ and KBr.

<p>alkene</p> Signup and view all the answers

Match the following reactions with their products:

<p>R-X + KCN = Alkyl cyanide R-X + K-O-N=O = Alkyl nitrite R-X + Mg = Grignard reagent C₆H₅Cl + NaOH = Phenol</p> Signup and view all the answers

What is formed when alcohol reacts with HCl in the presence of anhydrous ZnClâ‚‚?

<p>R-Cl and Hâ‚‚O (B)</p> Signup and view all the answers

The reaction of alcohol with PBr₃ produces R-I and H₃PO₃.

<p>False (B)</p> Signup and view all the answers

Which reagent is used to convert alcohol (R-OH) to R-Br?

<p>HBr</p> Signup and view all the answers

When alcohol reacts with thionyl chloride, the products formed are R-Cl, HCl, and _____ .

<p>SOâ‚‚</p> Signup and view all the answers

Match the halogen derivatives with their corresponding reagents:

<p>R-Cl = SOClâ‚‚ R-Br = HBr R-I = HI</p> Signup and view all the answers

What is the result of Sandmeyer's Reaction?

<p>An aromatic halide is converted into another aromatic halide with a different halogen. (B)</p> Signup and view all the answers

Nucleophilic substitution can lead to the formation of esters from allyl halides.

<p>True (A)</p> Signup and view all the answers

What reagent is used to form an alcohol from an allyl halide?

<p>K/Na-OH</p> Signup and view all the answers

In the formation of ether from an allyl halide, the reaction is represented as R-X + Na-____ → R-O-R + Na-X.

<p>OR</p> Signup and view all the answers

Which of the following is a product of the halogenation reaction R-H + Xâ‚‚?

<p>Both B and C (D)</p> Signup and view all the answers

Markownikoff's Rule applies only to symmetrical alkenes.

<p>False (B)</p> Signup and view all the answers

What is the Finkelstein Reaction used for?

<p>Halogen exchange</p> Signup and view all the answers

The reaction C₆H₅CH₃ + 2Br₂ (Fe) → ______ + 2HBr describes the electrophilic substitution of toluene by bromine.

<p>C₆H₅CH₂Br</p> Signup and view all the answers

Match the following reactions with their corresponding types:

<p>R-X + NaI → R-I + NaX = Swart's Reaction C₆H₅CH₃ + 2Br₂ (Fe) = Electrophilic Substitution CH₂=CH₂ + H₂ = Hydrogenation of alkenes CH₃-CH=CH₂ + HBr (with peroxide) = Anti-Markownikoff's Rule</p> Signup and view all the answers

Which reaction involves a benzene ring producing a compound with a different structure?

<p>Nittling reaction (A)</p> Signup and view all the answers

The optical activity of a compound refers to its ability to rotate the plane of polarized light.

<p>True (A)</p> Signup and view all the answers

What is the instrument called that measures the rotation of plane-polarized light?

<p>Polarimeter</p> Signup and view all the answers

The conversion of methyl bromide to methyl acetate involves a __________ reaction.

<p>chemical</p> Signup and view all the answers

Match the following reactions with their descriptions:

<p>Nittling reaction = Involves a benzene ring Wurtz reaction = Involves a compound with a hexagonal structure</p> Signup and view all the answers

What type of reaction involves an aromatic compound reacting with nitric acid and sulfuric acid to form a nitro compound?

<p>Nitration (D)</p> Signup and view all the answers

Electrophilic substitution processes can only produce halogenated and nitro compounds.

<p>False (B)</p> Signup and view all the answers

What is formed when an aromatic compound undergoes sulphonation?

<p>A sulfonated compound</p> Signup and view all the answers

The reaction that includes an aromatic compound and an acylating agent is called the __________ reaction.

<p>Friedel-Crafts acylation</p> Signup and view all the answers

Match the following reactions with their appropriate description:

<p>Halogenation = Formation of halogenated compounds from an aromatic compound Nitration = Reaction with nitric and sulfuric acid to form nitro compounds Sulphonation = Introduction of a sulfonyl group to an aromatic compound Friedel-Crafts alkylation = Alkylation process involving an aromatic compound</p> Signup and view all the answers

Flashcards

Reaction of Alcohol with HCl (anhydrous ZnClâ‚‚)

A reaction where an alcohol (R-OH) reacts with hydrogen chloride (HCl) in the presence of anhydrous zinc chloride (ZnClâ‚‚) to form an alkyl chloride (R-Cl) and water (Hâ‚‚O).

Reaction of Alcohol with HBr (NaBr/Hâ‚‚SOâ‚„)

A reaction where an alcohol (R-OH) reacts with hydrobromic acid (HBr) in the presence of sodium bromide (NaBr) and sulfuric acid (Hâ‚‚SOâ‚„) to form an alkyl bromide (R-Br) and water (Hâ‚‚O).

Reaction of Alcohol with PCl₃

A reaction where an alcohol (R-OH) reacts with phosphorus trichloride (PCl₃) to form an alkyl chloride (R-Cl), hydrogen chloride (HCl), and phosphorus trichloride (PCl₃).

Reaction of Alcohol with SOClâ‚‚

A reaction where an alcohol (R-OH) reacts with thionyl chloride (SOClâ‚‚) to form an alkyl chloride (R-Cl), hydrogen chloride (HCl), and sulfur dioxide (SOâ‚‚).

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Halogenation

A type of chemical reaction where a halogen atom (like chlorine or bromine) replaces a hydrogen atom in a hydrocarbon molecule.

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Markownikoff's Rule

A rule stating that in the addition of HX (hydrogen halide) to an unsymmetrical alkene, the hydrogen atom adds to the carbon atom with a higher number of hydrogen atoms already bonded to it.

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Halogen Exchange

A reaction where a halogen atom is replaced by another halogen atom in an organic molecule. Often uses NaI or AgF.

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Electrophilic Substitution

A type of chemical reaction where an electrophile (electron-loving species) replaces a hydrogen atom in a molecule. Often involves aromatic compounds.

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Swart's Reaction

A reaction where a halogen atom is replaced by a fluorine atom in an organic molecule. Uses AgF.

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Sandmeyer's Reaction

A reaction where an aromatic halide reacts with hydrochloric acid and nitrous acid to form an aromatic halide with a different halogen.

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Formation of Ether

A reaction where an allyl halide reacts with an alcoholate to form an ether.

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Formation of Alcohol

A reaction where an allyl halide reacts with a hydroxide to form an alcohol.

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Formation of Ester

A reaction where an allyl halide reacts with a silver carboxylate to form an ester.

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Formation of Primary Amine

A reaction where an allyl halide reacts with ammonia to form a primary amine.

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Nitration

A chemical reaction where an aromatic compound reacts with nitric acid and sulfuric acid to form a nitro compound.

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Sulfonation

A chemical reaction where an aromatic compound reacts with sulfuric acid and other reagents to form a sulfonated compound.

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Friedel-Crafts Alkylation

A Friedel-Crafts alkylation procedure where an alkyl group replaces a hydrogen atom on an aromatic ring. This involves an aromatic compound reacting with an alkyl halide in the presence of a Lewis acid catalyst.

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Reaction of Alkyl Halides with KCN

A reaction where an alkyl halide (R-X) reacts with potassium cyanide (KCN) to form an alkyl cyanide (R-CN) and potassium halide (KX).

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Reaction of Alkyl Halides with KNOâ‚‚

A reaction where an alkyl halide (R-X) reacts with potassium nitrite (KNOâ‚‚) to form an alkyl nitrite (R-ONO) and potassium halide (KX).

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Reaction of Alkyl Halides with AgNOâ‚‚

A reaction where an alkyl halide (R-X) reacts with silver nitrite (AgNOâ‚‚) to form a nitrosoalkane (R-NO) and silver halide (AgX).

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Formation of Grignard Reagent

A reaction where an alkyl halide (R-X) reacts with magnesium (Mg) to form a Grignard reagent (R-Mg-X).

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Hydrolysis of Grignard Reagent

A reaction where a Grignard reagent (R-Mg-X) reacts with water (Hâ‚‚O) to form an alkane (R-H) and magnesium hydroxide (Mg(OH)-X).

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Nittling Reaction

A chemical reaction that involves a benzene ring reacting with a reagent to form a different compound, Possibly altering the structure of the benzene ring.

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Wurtz Reaction

A chemical reaction that involves a compound with a hexagonal structure. The details are unclear without more context.

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Optical Activity

The ability of a compound to rotate the plane of polarized light. It can be either dextrorotatory (clockwise rotation) or levorotatory (counterclockwise rotation).

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What is a polarimeter?

An instrument used to measure the rotation of plane-polarized light by a compound. This rotation can be used to identify and quantify the compound.

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Conversion of Methyl Bromide to Methyl Acetate

The process of converting methyl bromide (CH₃Br) into methyl acetate (CH₃COOCH₃). This conversion involves several steps and specific reagents.

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