Hydroxide Ion and Manganese Compounds

The video tutorial explains how to name the compound Mn2, focusing on recognizing manganese as a transition metal and the hydroxide ion as a polyatomic ion. It details the process of naming by first identifying the metal and then the polyatomic ion, emphasizing the importance of understanding ion charges. The tutorial concludes with the correct naming of Mn2 as manganese(II) hydroxide, highlighting the use of Roman numerals to indicate the charge of the transition metal.

What type of metal is Mn in the compound Mn2?

• Noble gas

• Alkali metal

• Transition metal

• Alkaline earth metal

What is the name of the polyatomic ion bonded to manganese in Mn2?

• Hydroxide

• Carbonate

• Nitrate

• Sulfate

What is the first step in naming the compound Mn2?

• Identify the charge of the metal

• Write the name of the metal

• Determine the number of ions

• Write the name of the polyatomic ion

Why is it beneficial to memorize the hydroxide ion?

• It is a common ion in chemistry

• It is rarely used in chemistry

• It is a metal ion

• It has a complex structure

What is the charge of the hydroxide ion?

• 2-

• 1-

• 1+

• 2+

How many hydroxide ions are present in Mn2?

• Three

• Two

• Four

• One

What Roman numeral is used in the name of manganese hydroxide to indicate its charge?

• I

• II

• III

• IV

What is the final name of the compound Mn2?

• Manganese oxide

• Manganese(II) hydroxide

• Manganese(II) oxide

• Manganese hydroxide