Properties and Behavior of NaOH

The video explores whether NaOH (sodium hydroxide) is an electrolyte. It explains that NaOH is an ionic compound, consisting of a metal bonded to non-metals, making it an electrolyte. The video discusses solubility rules, highlighting that compounds with sodium are very soluble, thus NaOH dissolves in water, breaking into ions that conduct electricity. NaOH is identified as a strong base and a strong electrolyte, emphasizing its importance in chemistry.

What type of compound is NaOH?

• Metallic compound

• Ionic compound

• Covalent compound

• Molecular compound

Why is NaOH considered an electrolyte?

• It is a covalent compound

• It forms a precipitate in water

• It dissolves in water to form ions

• It does not dissolve in water

What happens to NaOH when it is dissolved in water?

• It forms a gas

• It forms a solid

• It remains unchanged

• It splits into positive and negative ions

Which ion is formed by sodium in NaOH?

• Na+

• Na-

• Na2-

• Na2+

What is the charge of the hydroxide ion in NaOH?

• 2+

• 1+

• 1-

• 2-

What does 'aqueous' mean in the context of NaOH?

• Liquid state

• Dissolved in water

• Gas state

• Solid state

What is the role of ions in the conductivity of NaOH solution?

• They conduct electricity

• They make the solution acidic

• They prevent electricity flow

• They enhance the color of the solution

Which group on the periodic table does sodium belong to?

• Group 18

• Group 1

• Group 2

• Group 17

What is NaOH classified as in terms of acid-base strength?

• Weak acid

• Weak base

• Strong acid

• Strong base

Why is NaOH considered a strong electrolyte?

• It forms a weak solution

• It completely dissociates into ions in water

• It does not dissolve in water

• It is a weak base