Understanding N Factor and Valency Factor

What is the n factor of HCl when it dissociates?

• 4

• 3

• 2

• 1

How many hydrogen ions are produced when sulfuric acid dissociates completely?

• 4

• 3

• 2

• 1

What is the n factor of sulfur dioxide when water is added?

• 4

• 1

• 2

• 3

For phosphorus compounds, how is the n factor calculated?

• Total number of oxygen minus 1

• Total number of hydrogen ions

• Total charge on anion

• Total charge on cation

What is the n factor of sodium hydroxide?

• 4

• 3

• 2

• 1

How is the n factor of ammonia determined?

• By adding water and counting hydroxide ions

• By counting hydrogen ions

• By calculating total charge

• By counting oxygen atoms

What is the n factor of sodium chloride?

• 3

• 1

• 4

• 2

How is the n factor of aluminium sulfate calculated?

• By calculating total charge on sulfate

• By calculating total charge on aluminium

• By counting hydroxide ions

• By counting hydrogen ions

What is the n factor of a magnesium ion?

• 3

• 4

• 2

• 1

How is the n factor of an atom determined?

• By its valency

• By its mass number

• By its charge

• By its atomic number