Grade 12Inorganic Chemistry
Which of the following is the strongest acid?AClO3(OH)BClO2(OH)CSO(OH)2DSO2(OH)2
Which of the following is the strongest acid?
A
ClO3(OH)
B
ClO2(OH)
C
SO(OH)2
D
SO2(OH)2
1 Answer
Rituraj Tiwari
Perchloric acidHClO4orClO3(OH)is the strongest acid.
Chlorine has highest oxidation number (+7).
The conjugate baseClO4−has maximum delocalization due to which, it is weakest base.
When the conjugate base is weak, the acid is strong.
It has maximum number of electronegative oxygen atoms (4) due to which more electrons will be pulled away from O-H bond and the acid will be more stronger.
Chlorine has highest oxidation number (+7).
The conjugate baseClO4−has maximum delocalization due to which, it is weakest base.
When the conjugate base is weak, the acid is strong.
It has maximum number of electronegative oxygen atoms (4) due to which more electrons will be pulled away from O-H bond and the acid will be more stronger.
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