organic chemistry reactions

State the reagent needed for elimination reaction of 2-bromobutane.

• A. Concentrated sulphuric acid

• B. Aqueous sodium hydroxide

• C. Ethanolic ammonia

• D. Ethanolic sodium hydroxide

State the reagent needed to produce cyclohexanol from phenol.

• A. Hot acidified KMnO₄

• B. Cold alkaline KMnO₄

• C. Hydrogen gas, Ni as a catalyst

• D. PCl₅

State the reagent needed for the production of but-2-ene from butan-2-ol.

• A. Concentrated sulphuric acid, followed by hydrolysis

• B. Aqueous sodium hydroxide

• C. steam, H₃PO₄ absorbed on silica pellets

• D. SOCl₂

State the reagent needed for the production of propanamine from chloropropane.

• A. Chlorine water

• B. Concentrated ethanolic ammonia in a sealed tube

• C. Ethanolic KCN

• D. HCl

What is the product produced from a reaction between but-2-ene and bromine water?

• A. 2,3-dibromobutane

• B. 2-bromobutan-2-ol

• C. 2-bromobutan-3-ol

• D. 2-bromobutane

State the reagent needed for the formation of bromobenzene from benzene.

• A. Bromine gas, sunlight

• B. HBr

• C. Bromoethane

• D. Bromine liquid, FeBr₃

What is the reagent that reacts with benzene to produce nitrobenzene?

• A. Concentrated HNO₃ and concentrated H₂SO₄,

• B. Concentrated HNO₃

• C. Concentrated H₂SO₄

• D. Concentrated ammonia

What is the reagent needed for formation of 2-chloropentane from pentan-2-ol?

• A. SOCl₂

• B. chlorine water

• C. Chlorine gas, sunlight

• D. Chlorine liquid, anhydrous AlCl₃

State the reagent needed to produce ethane-1,2-diol from ethene

• hot acidified KMnO₄

• cold, acidified KMnO₄

• Copper, 300 C

• concentrated H₂SO₄

What is the reagents needed to produce cyclohexanol?

• chlorobenzene and aqueous NaOH

• phenol and bromine

• benzene and hydrogen gas, Ni, 180 C

• phenylamine and nitrous acid