Oxidation Numbers in Mn2O7

The video tutorial explains how to determine the oxidation numbers for elements in Mn2O7, focusing on manganese and oxygen. It begins by introducing the concept of oxidation numbers and the importance of the compound being neutral. The tutorial then explains the oxidation state of oxygen and sets up an equation to find the oxidation number of manganese. By solving the equation, it is determined that manganese has an oxidation number of +7 in Mn2O7. The video concludes with a summary of the findings.

What is the overall charge of a neutral compound like Mn2O7?

• Positive

• Depends on the elements

• Negative

• Zero

Which element in Mn2O7 has a consistent oxidation number of -2?

• Hydrogen

• Manganese

• Oxygen

• Nitrogen

How many oxygen atoms are present in Mn2O7?

• 9

• 2

• 5

• 7

What is the oxidation number of each oxygen atom in Mn2O7?

• -2

• -1

• 0

• -3

What equation is set up to find the oxidation number of manganese in Mn2O7?

• x + 14 = 0

• 2x - 14 = 0

• x - 7 = 0

• 2x + 7 = 0

What is the oxidation number of manganese in Mn2O7?

• +5

• +6

• +7

• +8

What is the sum of oxidation numbers in a neutral compound?

• Always positive

• Always negative

• Varies with the compound

• Always zero

Who is the narrator of the video?

• Dr. A

• Dr. B

• Dr. C

• Dr. D