CP232CC1-Organic Reaction Mechanism II

Choose the incorrect statement regarding E₁ reaction.

• E₁ mechanism is unimolecular.

• E₁ mechanism are generally first order

• E₁ mechanism usually occur in one step

• E₁ mechanism is a multi-step reaction.

Identify the mechanism for the dehydrofluorination of 1,1-dichloro-2,2,2-trifluoroethane.

•    E₂ 

• E₁ 

•   E_1CB 

• E_i

Find out the major product obtained for following reaction

•  Butane

• 1-Butene

• 2-Butene

• 1-Bromobutane

The stability of 2-butene is explained by _________.

• Mesomeric effect

• Baker-Nathan effect

• Inductive effect

• Isomeric effect

Which of the following compound act as a base in Cope elimination reaction?

• Tertiary amine

• Alkene

• Tertiary amine oxide

• Hydroxyl amine

How many peaks obtained for the ESR spectrum of benzene radical?

• 5

• 6

• 7

• 8

   Find out the intermediate formed in S_RN¹ reaction.

   

• Carbocation 

• Carbanion 

• Free radical

• Allyl cation

Which of the following addition reaction takes place in Diels-Alder reaction?

• Free radical addition

• Nucleophilic addition   

• Electrophilic addition 

• Cyclic addition

  Electron releasing substituents increases the reactivity of electrophilic addition.

• True

• False.

What is the reducing agent in the Bouveault-Blanc reduction?

• Hydrogen gas   

• Lithium aluminum hydride           

•      Sodium borohydride

• Sodium in liquid ammonia