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Phosphorus forms a number of oxoacids wh...

Phosphorus forms a number of oxoacids which differ in their structures and oxidation state of phosphorus. All the acids contain phosphorus atom//atoms linked tetrahedrally to four other atoms or groups. Each of them has at least one `P=O` or `P rarr O` unit and one `P-OH` unit. The `OH` group is ionisable but `H` atom linked directly to `P` is non-ionisabl. Structures of all the acids are considered to be derived either from phosphorus acid or phosphoric acid.
Which of the following is a cycle oxoacid ?

A

`H_(4)P_(2)O_(7)`

B

`H_(4)P_(2)O_(6)`

C

`H_(3)P_(3)O_(9)`

D

`H_(5)P_(5)O_(9)`

Text Solution

Verified by Experts

The correct Answer is:
C
Orthophosphoric acid: `H_(3)PO_(4)`
Hypophosphoric acid: `H_(4)P_(2)O_(6)`
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Phosphorus forms a number of oxoacids which differ in their structures and oxidation state of phosphorus. All the acids contain phosphorus atom//atoms linked tetrahedrally to four other atoms or groups. Each of them has at least one P=O or P rarr O unit and one P-OH unit. The OH group is ionisable but H atom linked directly to P is non-ionisabl. Structures of all the acids are considered to be derived either from phosphorus acid or phosphoric acid. Which one is monobasic acid ?

Phosphorus forms a number of oxoacids which differ in their structures and oxidation state of phosphorus. All the acids contain phosphorus atom//atoms linked tetrahedrally to four other atoms or groups. Each of them has at least one P=O or P rarr O unit and one P-OH unit. The OH group is ionisable but H atom linked directly to P is non-ionisabl. Structures of all the acids are considered to be derived either from phosphorus acid or phosphoric acid. Which one has + 3 oxidation state ?

Phosphorus forms a number of oxoacids which differ in their structures and oxidation state of phosphorus. All the acids contain phosphorus atom//atoms linked tetrahedrally to four other atoms or groups. Each of them has at least one P=O or P rarr O unit and one P-OH unit. The OH group is ionisable but H atom linked directly to P is non-ionisabl. Structures of all the acids are considered to be derived either from phosphorus acid or phosphoric acid. The acid which forms two series of salts is.

Phosphorus forms a number of oxoacids which differ in their structures and oxidation state of phosphorus. All the acids contain phosphorus atom//atoms linked tetrahedrally to four other atoms or groups. Each of them has at least one P=O or P rarr O unit and one P-OH unit. The OH group is ionisable but H atom linked directly to P is non-ionisabl. Structures of all the acids are considered to be derived either from phosphorus acid or phosphoric acid. The number of or P = O and P - O- H bonds in H_3 PO_4 are.

Phosphorous forms a number of oxoacids which differ in their structures and oxidation state of phosphorous. Each of them has at least one P = O or P rarr O unit and one P-OH units. The OH group is ionisable but H atom linked directly to P is nonionisable. structures of all the acids are considered to be derived from phosphorous acid or phosphoric acid. The number of P-H, P rarr O or P = O & P-O-H bonds in orthophosphoric acid are respectively:

Oxidation state of phosphorus in pyrophosphosphate ion (P_(2)O_(7)^(-4)) is

What is the sum of the oxidation state of phosphorus and number of P-OH bonds in H_3PO_4 ?

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