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Definition of SeF2
SeF2, also known as Selenium Difluoride, is a chemical substance belonging to the non-metal group. SeF2 has a molar mass of 103.96 g/mol and an atomic mass of 79.96. The molecular structure of SeF2 consists of a Selenium (Se) atom linked to two Fluorine (F) atoms. SeF2 does not form ions. -
Properties of SeF2
2.1 Physical Properties of SeF2
SeF2 is in a gaseous state at room temperature, colorless, odorless, and does not have a specific pH level.
2.2 Chemical Properties of SeF2
SeF2 easily reacts with oxygen to form SeO2 and F2. It can also react with metals and strong acids. -
Common Chemical Equations with SeF2
3.1 Reaction with metals:
Example: 2SeF2 + 2Na -> 2NaF + Se2
3.2 Reaction with acids:
Example: SeF2 + 2HNO3 -> H2SeO3 + 2NO2 + F2
3.3 Reaction with non-metal:
Example: 2SeF2 + O2 -> 2SeO2 + F2
3.4 Reaction with salts:
Example: SeF2 + 2NaCl -> 2NaF + SeCl2 -
Preparation of SeF2
4.1 Laboratory Preparation of SeF2:
SeF2 can be prepared by heating Se and F2.
Example: Se + F2 -> SeF2
4.2 Industrial Preparation of SeF2:
SeF2 can also be produced from Se and F2 at high temperatures.