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H3BO3 is:
- a)Monobasic and weak Lewis acid
- b)Monobasic and weak Bronsted acid
- c)Monobasic and strong Lewis acid
- d)Tribasic and weak Bronsted acid
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
H3BO3 is:a)Monobasic and weak Lewis acidb)Monobasic and weak Bronsted ...
The central boron atom in boric acid, H3BO3 is electrondeficient.
NOTE : Boric acid is a Lewis acid with one p–orbital vacant. There is no d-orbital of suitable energy in boron atom. So, it can accommodate only one additional electron pair in its outermost shell.
NOTE : Boric acid is a Lewis acid with one p–orbital vacant. There is no d-orbital of suitable energy in boron atom. So, it can accommodate only one additional electron pair in its outermost shell.
Most Upvoted Answer
H3BO3 is:a)Monobasic and weak Lewis acidb)Monobasic and weak Bronsted ...
Monobasic and weak Lewis acid:
- H3BO3, also known as boric acid, is a monobasic acid because it can donate only one proton in a chemical reaction.
- It is considered a weak Lewis acid because it can accept a pair of electrons from a Lewis base to form a coordinate covalent bond.
Explanation:
- Monobasic acids are those that can donate only one proton in a chemical reaction. In the case of boric acid, H3BO3, it can donate one proton from the hydroxyl group (OH) present in the molecule.
- A weak Lewis acid is a substance that can accept a pair of electrons to form a coordinate covalent bond. Boric acid acts as a weak Lewis acid because the boron atom can accept a pair of electrons from a Lewis base to complete its octet.
Significance:
- Understanding the acidic and Lewis acid properties of H3BO3 is important in various chemical reactions and applications.
- The monobasic nature of boric acid allows for specific reactions in organic synthesis and pharmaceuticals.
- The weak Lewis acid behavior of H3BO3 is utilized in coordination chemistry and catalysis.
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