Advertisements
Advertisements
प्रश्न
What are boranes? Give chemical equation for the preparation of diborane.
Advertisements
उत्तर
Boranes correspond to alkane-like compounds of boron. They consist of boron and hydrogen. Most common borane existing is diborane.
\[\ce{4BF3 + 3LialH4 -> 2B2H6 + 3LiF + 3AIF3}\]
APPEARS IN
संबंधित प्रश्न
Is boric acid a protic acid? Explain.
Explain the Structure of Boric Acid.
A certain salt X, gives the following results.
- Its aqueous solution is alkaline to litmus.
- It swells up to a glassy material Y on strong heating.
- When conc. H2SO4 is added to a hot solution of X, white crystal of an acid Z separates out.
Write equations for all the above reactions and identify X, Y and Z.
Write a balanced equation for B2H6 + H2O → ?
Boric acid is an acid because its molecule ______.
Draw the structures of BCl3.NH3 and AlCl3 (dimer).
Draw the structure of boric acid showing hydrogen bonding. Which species is present in water? What is the hybridisation of boron in this species?
When aqueous solution of borax is acidified with hydrochloric acid, a white crystalline solid is formed which is soapy to touch. Is this solid acidic or basic in nature? Explain.
A compound (A) of boron reacts with NMe3 to give an adduct (B) which on hydrolysis gives a compound (C) and hydrogen gas. Compound (C) is an acid. Identify the compounds A, B and C. Give the reactions involved.
Aqueous solution of which of the following boron compounds will be strongly basic in nature?
Boric acid heated to red hot gives ______.
Which of the following compounds are formed when boron trichloride is treated with water?
On the addition of mineral acid to an aqueous solution of borax, the compound formed is ______.
When aqueous solution of AICl3 is concentrated, it furnishes crystals of ______.
Which one of the following methods is used to prepare borax crystals?
Boric acid (H3BO3) is ______.
