Sodium Hypochlorite and Its Properties

This video tutorial explains how to write the chemical formula for liquid bleach, commonly known as sodium hypochlorite. It covers the basic understanding of sodium hypochlorite as the active ingredient in bleach, making up 3-6% of the solution. The tutorial guides viewers through writing the formula, NaClO, and discusses the ionic charges involved. It also presents alternative ways to represent the formula and concludes with a recap of the key points.

What is the most common type of bleach people refer to?

• Powdered bleach

• Liquid bleach

• Oxygen bleach

• Hydrogen peroxide

What is the chemical name for the active ingredient in liquid bleach?

• Sodium hypochlorite

• Sodium chloride

• Calcium hypochlorite

• Potassium permanganate

What is the element symbol for sodium?

• Sn

• So

• Na

• S

What type of ion is hypochlorite?

• Polyatomic ion

• Anion

• Cation

• Monatomic ion

What is the charge of the sodium ion in sodium hypochlorite?

• 2+

• 1+

• 1-

• 2-

What is the overall charge of the sodium hypochlorite compound?

• 2+

• 1+

• 1-

• 0

What is the significance of the negative charge in the hypochlorite ion?

• It indicates a positive charge.

• It indicates a surplus of electrons.

• It indicates a neutral charge.

• It indicates a surplus of protons.

What is the role of sodium in the sodium hypochlorite formula?

• It balances the charge of the hypochlorite ion.

• It provides color to the bleach.

• It acts as a catalyst.

• It acts as a solvent.

Which of the following is a correct representation of sodium hypochlorite?

• NaClO

• NaOCl

• NaCl

• NaCO

Why might the formula for sodium hypochlorite be written with Cl and O reversed?

• To indicate a different charge.

• Both representations are correct.

• To show a different state of matter.

• To indicate a different compound.