Advertisements
Advertisements
प्रश्न
Write a balanced equation for \[\ce{H3BO3 ->[\Delta]}\]?
Advertisements
उत्तर
\[\ce{4H3BO3 ->[][-4H2O] \underset{Metaboric acid}{4HBO2} ->[410 K][- H2O] \underset{Tetraboric acid}{H2B4O7}->[Red hot][- H2O] \underset{Boron trioxide}{2B2O3}}\]
संबंधित प्रश्न
Explain the following reaction.
Hydrated alumina is treated with aqueous NaOH solution.
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 NaH + B2H6 → ?
Boric acid is polymeric due to ______.
Explain the Structure of Diborane.
Boric acid is an acid because its molecule ______.
Draw the structures of BCl3.NH3 and AlCl3 (dimer).
Explain the nature of boric acid as a Lewis acid in water.
Draw the structure of boric acid showing hydrogen bonding. Which species is present in water? What is the hybridisation of boron in this species?
What are boranes? Give chemical equation for the preparation of diborane.
Which of the following is a FALSE statement about boric acid, \[\ce{H3BO3}\]?
Which is correct statement about diborane structure?
Which of the following compounds are formed when boron trichloride is treated with water?
In diborane ______.
When aqueous solution of AICl3 is concentrated, it furnishes crystals of ______.
Which one of the following methods is used to prepare borax crystals?
