Table of Contents
- 1 Is H3PO3 dibasic or tribasic?
- 2 Why is H3PO3 dibasic acid?
- 3 Why is H3PO4 tribasic and H3PO3 dibasic?
- 4 Is H3PO3 reduced?
- 5 Is H3PO3 is dibasic and reducing?
- 6 Why is H3PO4 called tribasic acid?
- 7 Which of the following is correct choice for H3PO3 and H3PO4?
- 8 Why does H3PO3 act as a dibasic acid?
- 9 Is H3PO4 a tri-basic molecule?
Is H3PO3 dibasic or tribasic?
H3PO3 is a dibasic acid.
Why is H3PO3 dibasic acid?
H3PO3 has three hydrogen atoms and looking at the structure it is clear that in H3PO3 only two hydrogen atoms are joined through the oxygen atoms and are ionisable. The H-atom joined to the P- atom is reducing in nature and is not ionisable as a proton and therefore H3PO3 acts as a dibasic acid.
Why is H3PO4 tribasic and H3PO3 dibasic?
Assertion :Both H3PO3 and H3PO4 have the same number of hydrogen atoms but H3PO4 is a tribasic acid and H3PO3 is a dibasic acid Reason: 1 mole of H3PO3 is neutralised by 2 moles of NaOH while 1 mole of H3PO4 is neutralised by 3 moles of NaOH.
Is h3po2 a tribasic acid?
It is monobasic means it donates oe ions when dissolved in water though it contains two hydrogen atoms. It is because only one of the hydrogen in is acidic which is bonded to oxygen.
Why H3PO4 is tribasic acid?
Orthophosphoric acid is a tribasic acid. It has three ionisable hydrogen atoms. Hence, it is a tribasic acid.
Is H3PO3 reduced?
H3PO3 contains one P-H bond and hence act as a reducing agent but H3PO4 does not contain a P-H bond and hence does not act a reducing agent.
Is H3PO3 is dibasic and reducing?
H3PO3 is a dibasic, reducing acid. H3PO4 is tribasic, non-reducing acid.
Why is H3PO4 called tribasic acid?
Phosphoric or orthophosphoric acid has three hydrogen atoms attached to oxygen. The hydrogen atoms attached to oxygen are released. Therefore, H3PO4 is a tribasic acid. Tribasic acids are also known as triprotic acids.
Is H3PO4 a mono basic acid?
H3PO2 is monobasic acid,H3PO3 is dibasic acid and H3PO4 is tribasic acid. We cannot say which acid is dibasic or tribasic without drawing its actual structure. In case of acid of phosphorus acidic nature depend on how many OH is present in structure because it show acidic nature due to only these H .
Why is H3PO2 a Monoprotic acid?
H3po2 behave as a monoprotic acid because it donates only one proton or hydrogen atom per molecule in aqueous solution.
Which of the following is correct choice for H3PO3 and H3PO4?
non-reducing acid.
Why does H3PO3 act as a dibasic acid?
The H-atom joined to the P- atom is reducing in nature and is not ionisable as a proton and therefore H 3 PO 3 acts as a dibasic acid. Understand the meaning and classification of acids and bases.
Is H3PO4 a tri-basic molecule?
No only H3PO4 is tri-basic since it has 3 hydrogen atoms attached to oxygen . Only the hydrogen atoms attached to oxygen are released. In case of H3P03 and H3P02 only two and one hydrogen atoms are attached to oxygen atoms respectively.
How many hydrogen atoms are present in H3PO3?
H 3 PO 3 has three hydrogen atoms and looking at the structure it is clear that in H 3 PO 3 only two hydrogen atoms are joined through the oxygen atoms and are ionisable. The third hydrogen atom is linked to P-atom directly and is not ionisable.
How do you find the basicity of H3PO4?
Basicity = 2–1= 1 → Monobasic acid. 2. H3PO3 – Basicity = 3–1 = 2 → Dibasic acid. 3. H3PO4 – Basicity = 4–1=3 → Tribasic acid. So out of the three acids, only H3PO4 is Tribasic acid. Hope, this answer helps… 🙂 Based on number of OH groups we can predict the basicity of an acid.for this one have to go through their structures.