In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?
In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?
Option 1 -
HF < HCl < HBr < HI : Increasing acidic strength
Option 2 -
H₂O < HS < HSe < HTe : Increasing pK
Option 3 -
NH₃ < PH < AsH < SbH : Increasing acidic character
Option 4 -
CO₂ < SiO < SnO < PbO : Increasing oxidizing power
Asked by Shiksha User
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1 Answer
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Correct Option - 2
Detailed Solution:H? O < H? S < H? Se < H? Te
Down the group acidic strength increases
So pK? value decreases
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