The reaction between ( C H 3 ) 2 N H and boron trifluoride is to be written by using the curved-arrow notation. In the reaction, Lewis base, Lewis acid, electrophile, and nucleophile are to be identified and formal charges are to be assigned. Concept introduction: Lewis acids are electron pair acceptors. Lewis bases are electron pair donors. Any electron deficient species can act as a Lewis acid such as compounds containing group IIIA elements like Boron or Aluminum. Compounds having vacant orbitals also act as Lewis acids like halides of Iron, Zinc and Aluminum. Electron loving or seeking compounds are called Electrophiles. All Lewis acids are electrophiles but all electrophiles are not Lewis acids Electron donating compounds are called Nucleophiles.

Question

- Rank the following groups of compounds from most acidic (1) to least acidic (4). Place the number corresponding to the compound's relative rank in the blank below the structure. a. NO₂ NO₂ CH2CH2CH2CH2OH CH3 CH3CH2CHOH CH3CH2CH2CH2OH NO₂ CH3CHCH2CH2OH b. OH OH CH₂OH CO₂H HC CN CN CN

Answer 1

Question

Chapter 3, Problem 4PP

Interpretation Introduction

Interpretation:

The reaction between (CH3)2NH and boron trifluoride is to be written by using the curved-arrow notation. In the reaction, Lewis base, Lewis acid, electrophile, and nucleophile are to be identified and formal charges are to be assigned.

Concept introduction:

Lewis acids are electron pair acceptors.

Lewis bases are electron pair donors.

Any electron deficient species can act as a Lewis acid such as compounds containing group IIIA elements like Boron or Aluminum.

Compounds having vacant orbitals also act as Lewis acids like halides of Iron, Zinc and Aluminum.

Electron loving or seeking compounds are called Electrophiles.

All Lewis acids are electrophiles but all electrophiles are not Lewis acids

Electron donating compounds are called Nucleophiles.

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