Sodium Nitrite Properties and Uses

The video explores the solubility of sodium nitrite (NaNO2) in water, confirming it is highly soluble. It discusses solubility rules, particularly for Group 1 elements like sodium, and examines solubility data. Sodium nitrite's use in food preservation is highlighted, and the video concludes with a summary of findings.

What is the solubility status of sodium nitrite (NaNO2) in water?

• Insoluble

• Slightly soluble

• Very soluble

• Moderately soluble

Which group of elements on the periodic table is generally very soluble in water?

• Noble gases

• Transition metals

• Group 1

• Group 2

Why might a solubility chart not be helpful for determining the solubility of sodium nitrite?

• It only lists organic compounds

• It is outdated

• It does not include nitrite ions

• It only includes gases

Which ion is present in sodium nitrite?

• NH4+

• NO3-

• Cl-

• NO2-

What is the solubility of sodium nitrite in water at zero degrees Celsius?

• 80 grams per 100 milliliters

• 71.4 grams per 100 milliliters

• 60 grams per 100 milliliters

• 50 grams per 100 milliliters

What is a common use of sodium nitrite in the food industry?

• Sweetening agent

• Preservative for meat

• Flavor enhancer

• Coloring agent for vegetables

What color does sodium nitrite give to processed meats?

• Blue

• Green

• Yellow

• Pink

What is the appearance of sodium nitrite?

• Red liquid

• Blue crystals

• Green gas

• White crystalline powder