Acids and Bases Concepts

This video tutorial covers the concepts of acids and bases, focusing on conjugate acid-base pairs, Lewis and Bronsted theories, and properties of bases. It includes multiple choice questions to test understanding and provides tips for identifying conjugate pairs. The session concludes with a preview of the next topic on dilution law.

What is the main focus of this session?

• Introduction to electrolytes

• Types of electrolytes

• Post world dilution law

• Acids and bases

How can you quickly identify a conjugate acid-base pair?

• By finding a pair that differs by a neutron

• By finding a pair that differs by a molecule

• By finding a pair that differs by an electron

• By finding a pair that differs by a proton

What happens to a weak acid when it forms a conjugate base?

• It forms a conjugate base with no charge

• It forms a neutral conjugate base

• It forms a strong conjugate base

• It forms a weak conjugate base

What is the conjugate base of a coordination compound when H+ is removed?

• The compound gains an H+

• The compound gains an electron

• The compound loses an H+

• The compound remains unchanged

Which of the following is not a Lewis acid?

• H+

• A neutral molecule with a complete octet

• BF3

• H2O

According to Arrhenius theory, what does a base produce in an aqueous solution?

• Electrons

• Neutral molecules

• OH- ions

• H+ ions

In a reaction, if water is converted to OH-, what role does it play?

• Catalyst

• Neutral

• Acid

• Base

Which of the following cannot act as both a Bronsted acid and base?

• H2SO4

• H2CO3

• HCl

• NH3

Which statement is incorrect about bases?

• They give OH- ions in solution

• They turn red litmus paper blue

• They accept protons

• They act as electron pair donors

According to Lewis theory, what is a base?

• A neutron donor

• A proton donor

• A molecule with a complete octet

• An electron pair donor