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प्रश्न
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.
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उत्तर
When aqueous solution of borax is acidified with hydrochloric acid, boric acid is produced. As the name says, boric acid is acidic in nature but weak acid. Unlike protonic acid, boric acid is monobasic acid,
It accepts electrons from the hydroxyl group of water and forms [B(OH4]–.
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संबंधित प्रश्न
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.
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Boric acid is polymeric due to ______.
An aqueous solution of borax is _______.
Explain the Structure of Diborane.
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?
Which of the following is a FALSE statement about boric acid, \[\ce{H3BO3}\]?
Which is correct statement about diborane structure?
Aqueous solution of which of the following boron compounds will be strongly basic in nature?
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In diborane ______.
On the addition of mineral acid to an aqueous solution of borax, the compound formed is ______.
Boron reacts with nitric acid to form ______.
Which one of the following methods is used to prepare borax crystals?
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