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Question

The oxyacid of sulphur that contains a lone pair of electrons on sulphur is:

A

sulphurous acid

B

sulphuric acid

C

peroxodisulphuric acid

D

pyrosulphuric acid

Hard

Solution

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Verified by Toppr
Correct option is
A

sulphurous acid

The oxyacid of sulphur that contains a lone pair of electrons on sulfur is sulfurous acid in wich only 4 of ts valence electrons are involved in bonding remaining 2 electrons are remained as a lone pair sulfur(Sulr has six valence electrons).

Hence option A is correct.

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