Question

Which of the following oxy acid does not have bridging oxy linkage?
(1) Pyrosulphurous acid
(2) Pyrophosphoric acid
(3) Pyrosilicic acid
(4) Dichromic acid​

Answer 1

Answer:

(2) Pyrophosphoric acid

hope it's helpful

Answer 2

Answer:

Pyrosulphurous acid does not have bridging oxy linkage.

Therefore, option (1) is correct.

Explanation:

Pyrosulphurous acid:-

• Pyrosulfuric acid is made from the reaction of sulfur trioxide and sulfuric acid. Pyrosulfuric acid has chemical formula H₂S₂O₇, the presence of the two hydrogen atoms so named as disulfuric acid. It doesn't have peroxide (S-O-S) linkage.

Pyrophosphoric acid:-

• Pyrophosphoric acid has chemical formula H₄P₂O₇  and is colorless, odorless, soluble in water, diethyl ether, and ethyl alcohol. It has one oxy linkage (P-O-P).

Pyrosilicic acid:-

• Pyrosilicic acid as chemical formula H₆Si₂O₇ and synthesized, using non-aqueous solutions. It does have one oxy linkage in its structure.

Dichromic acid​:-

• Dichromic acid has chemical formula H₂Cr₂O₇ and  is the product of adding chromium trioxide to molecular chromic acid. It has one oxy linkage(Cr-O-Cr) in its structure.

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