best chemistry

Destructive distillation of Coal Experiment – Organic Chemistry

Strong heating of coal in the absence of air or oxygen is called destructive distillation. Coal (Fossil Fuel): Coal is an important solid fossil fuel. Destructive distillation of coal provides useful by-products. The fundamental by-products are: • coke • coal tar • ammoniacal alcohol • coal gas Destructive Distillation of Coal Experiment: Let’s understand the …

Destructive distillation of Coal Experiment – Organic Chemistry Read More »

Destructive distillation of Coal

What is Destructive distillation of Coal?                When coal is heated in absence of air, its destructive distillation or carbonization occurs. Main Products obtained from Destructive Distillation: Destructive distillation of coal produces the following products. Coal gas:        The coal gas is also called town gas. It is mixture of H2, CO, CH4. Hydrogen …

Destructive distillation of Coal Read More »

How do you calculate the percent composition of an element in a compound

What is Percentage Composition? Percentage composition is defined as ” the number of parts of an element in 100 parts of a compound “ Or in simple words: The percentage amount of all elements in the compound is called percentage composition. Percentage Composition Calculation Formulae:                            %age of element =     Mass of element in the compound   …

How do you calculate the percent composition of an element in a compound Read More »

Electronic Configuration for Lithium (Li) – Atomic Number #3 – Digital Kemistry

How to Write Electronic Configuration for Lithium(Li) Lithium (Li) has atomic number 3 and mass number 6.941 . Since the lithium has three electrons around the nucleus of an atom .Therefore, lithium electronic configuration is very simple and easy to write. Electronic configuration of Lithium (Li) = 1s2 2s1 As we know that the first …

Electronic Configuration for Lithium (Li) – Atomic Number #3 – Digital Kemistry Read More »

How to write electronic configuration of Elements | spdf Electronic Configuration Trick – Digital Kemistry

Electronic Configuration: The arrangements of electrons in various subshells ( or orbitals) is called electronic configuration. To write electronic configuration of Elements , we must know the atomic number of element . Atomic number is the total number of electrons revolves around the nucleus of an atom or the total number of protons in the …

How to write electronic configuration of Elements | spdf Electronic Configuration Trick – Digital Kemistry Read More »

What are free radicals Chemistry: Definition ,Examples ,Formation and Properties- Digital Kemistry

Do you Know !!! What are free radicals? Free radical Definition Chemical specie (atom/molecule) having unpaired valence shell electron . Remember !! unpaired electron indicate odd number of valence shell electrons For example : Hydrogen atom having unpaired valence electron (1e-). Similarly Chlorine atom having unpaired valence electron (7e-). Watch Now !!! Free Radical Animated …

What are free radicals Chemistry: Definition ,Examples ,Formation and Properties- Digital Kemistry Read More »

Formation of Ammonium ion (NH4+) -Coordinate Covalent Bond #ChemicalBonding

How is NH4+ ion formed? Formation of Ammonium ion: When ammonia (NH3) combines with H+ ion, results in the formation of Ammonium ion through a coordinate covalent bond. In ammonia, Nitrogen is a central atom having 5 electrons in its valence shell,3 electrons are shared with 3-H atoms and 1 lone pair of electrons complete …

Formation of Ammonium ion (NH4+) -Coordinate Covalent Bond #ChemicalBonding Read More »

%d bloggers like this: