Chemistry-
General
Easy
Question
Which of the following halogen acids is least acidic
- HI
- HCl
- HF
- HBr
The correct answer is: HF
is least acidic due to the small size of fluorine.
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If the valency shell electronic structure for an element is 
, this element will belong to the group of
If the valency shell electronic structure for an element is , this element will belong to the group of
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Which or these have no unit
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