NEET2023Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual
Match List-I with List-II List-I(Oxo acids of Sulphur) List-II(Bonds) A Peroxodisulphuric acid I Two S-OH, Four S=O, One S-O-S B Sulphuric acid II Two S-OH, One S=O C Pyrosulphuric acid III Two S-OH, Four S=O, One S-O-O-S D Sulphurous acid IV Two S-OH, Two S=O
Options
- AA - III ,   B - IV ,   C - I ,   D - II
- BA - I ,   B - III ,   C - IV ,   D - II
- CA - III ,   B - IV ,   C - II ,   D - I
- D  A - I ,   B - III ,   C - II ,   D - IV
Correct answer
A. A - III ,   B - IV ,   C - I ,   D - II
Step-by-step solution
The formula for peroxodisulphuric acid is H 2 S 2 O 8 . It has Two S-OH, Four S=O, One S-O-O-S bonds . Sulphuric acid formula is H 2 SO 4 . It has Two S-OH, Two S=O bonds. Pyrosulphuric acid has formula H 2 S 2 O 7 it has two S-OH, four S=O, One S-O-S. Sulphurous acid has formula H 2 S 2 O 3 and it has two S-OH, one S=O bonds. The structures of the given compounds are given below.