Dative Bonds and Ammonium Ion

This video tutorial explains dative covalent bonds, also known as coordinate bonds. It uses ammonia as an example, highlighting how nitrogen's lone pair of electrons can form a bond with hydrogen ions, resulting in the ammonium ion. The video also discusses the properties of dative bonds, emphasizing that they are similar to normal covalent bonds in terms of bond length and strength. Additionally, the reaction between ammonia and boron trifluoride is explored, demonstrating another instance of dative bond formation.

What is another name for a dative covalent bond?

• Ionic bond

• Coordinate bond

• Metallic bond

• Hydrogen bond

In the formation of the ammonium ion, what role does the nitrogen atom play?

• It forms an ionic bond.

• It provides a lone pair of electrons.

• It accepts an electron.

• It donates a proton.

What is the result when ammonia reacts with a hydrogen ion?

• Water molecule

• Hydroxide ion

• Nitrogen gas

• Ammonium ion

How is a dative bond represented in the displayed formula of the ammonium ion?

• With an arrow

• With a dashed line

• With a double line

• With a circle

What is the significance of the arrow in the displayed formula of a dative bond?

• It represents the bond angle.

• It shows the bond length.

• It indicates the direction of electron flow.

• It marks the bond strength.

What must be true about the acceptor atom for a dative bond to form?

• It must be a metal.

• It must be electron deficient.

• It must have a positive charge.

• It must have a full outer shell.

How does the bond strength of a dative bond compare to a normal covalent bond?

• It is the same.

• It is weaker.

• It is stronger.

• It varies depending on the atoms involved.

Which of the following is true about all bonds in the ammonium ion?

• They are of different lengths.

• They have different bond enthalpies.

• They are ionic bonds.

• They are of the same length and strength.

What is the electron configuration of boron in boron trifluoride that makes it suitable for forming a dative bond?

• It has a full outer shell.

• It has six electrons in its outer shell.

• It has a negative charge.

• It has eight electrons in its outer shell.

What allows ammonia to form a dative bond with boron trifluoride?

• Ammonia's positive charge

• Boron trifluoride's electron deficiency

• Ammonia's metallic nature

• Boron trifluoride's full outer shell