Table of Contents
What is Diborane Class 11?
Diborane is a chemical compound that consists of boron and hydrogen atoms and has a molecular formula B2H6. This substance is highly unstable at the room temperature with a sweet odour. The compounds consisting of boron and hydrogen atoms are called boranes. Diborane is one of the simplest boron hydrides.
What is a Diborane in chemistry?
Diborane(6), generally known as diborane, is the chemical compound consisting of boron and hydrogen with the formula B2H6. It is a colorless, pyrophoric gas with a repulsively sweet odor. Synonyms include boroethane, boron hydride, and diboron hexahydride.
What is Diborane and its structure?
B2H6Diborane / Formula
What is Diborane used for?
Diborane is used as a reducing agent for making other chemicals, as a catalyst, and in electronics and vulcanizing rubber. determine potentially hazardous exposures.
What happens when diborane reacts with water?
Diborane is a colorless highly flammable gas with a repulsive, sickly sweet odor. At high concentrations, it ignites spontaneously in moist air at room temperature. It reacts with water to form hydrogen and boric acid.
Which reaction is used in the preparation of diborane?
1)Diborane can be prepared by treating boron trifluoride with LiAlH4 in diethyl ether. (2)In the laboratory it is conveniently prepared by the oxidation of sodium borohydride with iodine. (3)On large scale it is prepared by reaction of BF3 with sodium hydride. 2BF3+6NaH450 K→B2H6+6NaF.
What is Borazine and how is it prepared?
Borazine can be synthesized by treating diborane and ammonia in a 1:2 ratio at 250–300 °C with a conversion of 50\%. An alternative more efficient route begins with sodium borohydride and ammonium sulfate: 6 NaBH4 + 3 (NH4)2SO4 → 2 B3N3H6 + 3 Na2SO4 + 18 H.
How to prepare diborane in the laboratory?
Let us now understand the preparation of diborane. in diethyl ether medium. It is also prepared in the laboratory by oxidation of the sodium borohydride with iodine. with sodium hydride at 450K . Let’s discuss the chemical properties of Diborane.
How do you make diborane from LiAlH4?
1. By reduction of boron trifluoride etherate with LiAlH 4 in diethyl ether. 2. Laboratory method of preparation: Diborane is prepared in the laboratory by the oxidation of sodium borohydride with iodine in diglyme as solvent.
What is the name of the compound with the formula diborane?
Diborane is also known as boron hydride or boroethane or diboron hexahydride. It is a covalent compound of boron and hydrogen. Diborane may be prepared by the interaction of iodine and sodium borohydride in the presence of diglyme. Diborane is also be prepared by the reduction of boron trichloride with lithium aluminium hydride.
What is the difference between a borane and a diborane?
Boranes are colourless diamagnetic compounds with low thermal stability. Diborane is agas at room temperature with sweet smell and it is extremely toxic. It is also highly reactive. At high temperatures it forms higher boranes liberating hydrogen. Diboranes reacts with water and alkali to give boric acid and metaborates respectively.