Table of Contents
- 1 What type of a reaction would produce 2-bromopropane from propane?
- 2 How will you convert 2-bromopropane to propene?
- 3 What happens when 2-bromopropane react with sodium in dry ether?
- 4 What types of reactions are undergone by 2-bromopropane?
- 5 How will you obtain 2-bromopropane from an alkene?
- 6 How will you obtain 2-bromopropane?
- 7 What is the product obtained when 2-bromopropane is treated with metallic sodium in dry ether?
- 8 Which of the following is the product obtained by the Wurtz coupling of 2-bromopropane?
What type of a reaction would produce 2-bromopropane from propane?
As a simple example, consider the following transformations of the simple alkane propane. Bromination, by the action of bromine together with heat or light energy, produces a mixture of 1-bromopropane and 2-bromopropane. We recognize this as a substitution reaction (a bromine atom replaces a hydrogen).
How will you convert 2-bromopropane to propene?
The mechanism In elimination reactions, the hydroxide ion acts as a base – removing a hydrogen as a hydrogen ion from the carbon atom next door to the one holding the bromine. The resulting re-arrangement of the electrons expels the bromine as a bromide ion and produces propene.
What happens when 2-bromopropane is treated with aqueous KOH?
2-bromopropane on heating with alcoholic KOH gives propene gas.
What happens when 2-bromopropane react with sodium in dry ether?
Reaction of alkyl halides with sodium metal to form higher alkanes is known as Wurtz’s reaction. When 2-bromopropane is reacted with sodium metal in presence of dry ether, 2,2-dimethylbutane is obtained. When methyl bromide is treated with sodium metal in presence of dry ether, coupling takes place to give ethane.
What types of reactions are undergone by 2-bromopropane?
The elimination of a beta-hydrogen (hydrogen on a carbon vicinal to the alkyl halide carbon) and the halide produces a carbon-carbon double bond to form an alkene. In the example below, 2-bromopropane has undergone an elimination reaction to give an alkene – propene.
What is the product formed when 2-bromopropane undergoes dehydrohalogenation reaction?
Benzyl bromide when kept in acetone-water it products benzyl alcohol.
How will you obtain 2-bromopropane from an alkene?
The addition of hydrogen halide to an unsymmetrical alkene gives two products. Propene on reaction with hydrogen bromide forms 80\% 2-bromopropane (isopropyl bromide) and 20\% 1-bromopropane (n-propyl bromide).
How will you obtain 2-bromopropane?
Addition of HBr to propene gives 2-bromopropane. The hydrogen of HBr adds to carbon 1 of propene and bromine adds to carbon 2.
What is the process called when 2-bromopropane is treated with KOH ethanolic solution?
Pent −2− ene, Nucleophilic substitution.
What is the product obtained when 2-bromopropane is treated with metallic sodium in dry ether?
2,3-dimethylbutane.
Which of the following is the product obtained by the Wurtz coupling of 2-bromopropane?
The Bromine present in the 2-bromopropane is removed through hydrogenation and combines with the sodium metal and leads to the formation of propane and sodium bromide.