Hydrosulfuric Acid and Sulfur Concepts

The video tutorial explains how to write the chemical formula for hydrosulfuric acid, also known as hydrogen sulfide. It begins by identifying the elements involved using the periodic table, focusing on the prefix 'hydro' to determine the presence of two elements. The tutorial then demonstrates how to balance the ionic charges of hydrogen and sulfur to arrive at the formula H2S. It concludes with a discussion on naming conventions, highlighting that hydrogen sulfide is the IUPAC name for H2S.

What is the first step in writing the formula for hydrosulfuric acid?

• Write the symbol for hydrogen

• Identify the charge of sulfur

• Determine the state of matter

• Find the molecular weight

What does the prefix 'hydro' indicate in the name of an acid?

• The acid contains oxygen

• The acid is a solid

• The acid is a base

• The acid contains two elements

Which element is represented by the symbol 'S' in the periodic table?

• Strontium

• Silicon

• Sulfur

• Sodium

How many hydrogen atoms are needed to balance the charge of sulfur in hydrosulfuric acid?

• Three

• One

• Two

• Four

What is the chemical formula for hydrosulfuric acid?

• HSO3

• H2S

• HS

• H2SO4

What is the IUPAC name for H2S?

• Sulfuric acid

• Hydrosulfuric acid

• Hydrogen sulfide

• Sulfurous acid

Which of the following is a common name for H2S?

• Hydrogen sulfate

• Hydrosulfuric acid

• Hydrochloric acid

• Sulfuric acid

What is the state of matter for hydrogen sulfide under normal conditions?

• Plasma

• Gas

• Liquid

• Solid