Examples of Bases: Overview, Questions, Preparation

This chapter has multiple topics listed below:

Acids, Bases and Salts Acid Strength Difference between Acid and Bas...Examples of Bases Zinc carbonate Zinc Nitrate Aluminium Phosphate Aspartic Acid Butyric Acid Tannic acid Uses of Folic Acid Uses of Acetic Acid Lactic Acid formula Uses of Citric Acid Magnesium Nitrate Barium Iodide Dilute Acids Magnesium Phosphate Uses of Hydrochloric Acid List of Strong Acids Butanoic Acid Sodium Chlorate Barium Carbonate Chloroacetic Acid Magnesium Bicarbonate Red Cabbage Indicator Sodium Hexametaphosphate Zinc Hydroxide Potassium Iodate Peroxydisulfuric Acid Ph of Acids and Bases Potassium Bromate Weak Acid Examples Weak Bases Magnesium Hydroxide Monosodium Glutamate Potassium Hydroxide Nitrous Acid Henderson Hasselbalch Equation Difference between Alkali and B...Properties of Bases Sodium Citrate Ammonium Phosphate Chemical Indicators Chromic Acid Perchloric Acid Uses of Sodium Hydroxide Zinc Acetate

Yamini Saini

Updated on Jun 29, 2021 05:47 IST

Base, in chemistry, any material that is oily to the touch in water solution, tastes bitter, changes the indicator color (e.g., makes red litmus paper blue), responds to salt-forming with acids, and facilitates some chemical reactions (base catalysis). Hydroxides of alkali and alkaline earth metals (sodium, calcium, etc.) and water solutions of ammonia or their chemical forms are examples of bases (amines). In water solutions, such substances contain hydroxide ions (OH-).

Table of Contents

Bases Types
Properties of Bases
FAQs on Bases

Bases Types

Strong base

It is a compound capable of separating a proton from a very mild acid. Or, when in water, they dissociate entirely into their ions. Potassium hydroxide (KOH) and sodium hydroxide are examples (NaOH).

Poor base

When in water, there is insufficient dissociation. Both the weak base as well as the conjugate acids are found in the aqueous solution—ammonia (NH3), water (H2O), pyridine, for example (C5H5N).

Superbase

In contrast to a solid foundation, these bases are stronger at deprotonation. These have very mild acids in conjugates. They can be obtained by reacting with the conjugate acid, an alkali metal. It will not be preserved since it is a better base than the hydroxide ion in an aqueous solution. Sodium hydride (NaH), ortho-diethynylbenzene dianion (C6H4(C3O2)2)2- are examples.

Neutral base

It forms a bond with an electron pair exchanging a neutral acid.

Solid base

In solid form, bases are active. Silicon dioxide and sodium hydroxide mounted on alumina are examples.

Properties of Bases

The aqueous base solution dissociates into ions To conduct electricity
It has a pH value of 7
As they react with acids, they form salts
In encouraging such chemical reactions, they support
If positioned in alkaline solutions, they are bitter to taste
Bases that are solid or concentrated are caustic
It can accept protons from donors of protons
It contains ions of OH-
When in contact with acids, they react vigorously
When immersed in water, they conduct electricity
Slippery to touch

Examples of weak bases in Class 10:

In acids, bases, and salts, you will learn about the basics of bases and examples of weak bases and strong bases. The weightage of this chapter is 5-6 marks.

Illustrated Examples:

What litmus color does HCl show?

HCl is a base that turns red litmus to blue.

Is ammonia basic or acidic?

Ammonia dissolves in water and forms H– Therefore, it is basic.

What is the name given to bases that are highly soluble in water?

Alkalis are bases that are highly soluble in water. E.g., NaOH (Sodium hydroxide).

FAQs on Bases

Q. What is a base in chemistry?

A. Base, in chemistry, any material that is oily to the touch in water solution, tastes bitter, changes the indicator color (e.g., makes red litmus paper blue), responds to salt-forming with acids, and facilitates some chemical reactions (base catalysis).

Q. What is a base liquid?

A. All liquids are, to some extent, either acids or bases. The acidity or basicity of a liquid depends on the type of ions in it. If there are several hydrogen ions in it, it's an acid. If there are several hydroxide ions in it, it is a base.

Q. What is an example of a base?

A. Hydroxides of alkali and alkaline earth metals (sodium, calcium, etc.) and water solutions of ammonia or their chemical forms are examples of bases (amines). In water solutions, such substances contain hydroxide ions (OH - ).

Q. What are some examples of bases?

A. Caustic soda, Limewater, Ammonia water, Milk of magnesia, Bleaches, soaps, toothpaste, and cleaning agents

Q. Is vinegar an acid or a base?

A. Substances with pH values below 7 are known as acidic. Vinegar is acidic. The pH level of vinegar differs depending on the form of vinegar it is. White distilled vinegar, ideal for household laundry, has a pH of about 2.5.