Arsenic Trisulfide Properties and Charges

The video tutorial explains how to determine the oxidation states of elements in arsenic trisulfide (As2S3). It begins by noting that As2S3 is a neutral compound, meaning the oxidation numbers must sum to zero. The video discusses the role of electronegativity in determining ionic charges, highlighting that sulfur, being more electronegative, has a -2 charge. The tutorial then calculates the oxidation numbers for arsenic and sulfur, concluding that arsenic has a +3 oxidation state. The video ends with a summary of these findings.

What is the overall charge of arsenic trisulfide?

• Positive

• Variable

• Neutral

• Negative

Which element is more electronegative in arsenic trisulfide?

• Neither

• Both are equal

• Sulfur

• Arsenic

What is the oxidation state of sulfur in arsenic trisulfide?

• -1

• -2

• 0

• +2

How many sulfur atoms are present in arsenic trisulfide?

• 4

• 2

• 3

• 1

What is the total negative charge contributed by sulfur atoms in arsenic trisulfide?

• -8

• -2

• -4

• -6

What is the oxidation state of arsenic in arsenic trisulfide?

• +3

• +2

• +1

• +4

How many arsenic atoms are present in arsenic trisulfide?

• 1

• 3

• 2

• 4

What is the total positive charge contributed by arsenic atoms in arsenic trisulfide?

• +5

• +4

• +3

• +6