Question
Download Solution PDFWhose oxidation number is always -1?
This question was previously asked in
BSSC Inter Level Pre PYP (29th Jan 2017)
Answer (Detailed Solution Below)
Option 1 : F
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BSSC Inter Level: GK (Mock Test)
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Detailed Solution
Download Solution PDFThe correct answer is F.
Key Points
- Fluorine always shows a -1 oxidation state as it is the most electronegative element.
- It has seven valence electrons and gains one valence electron to complete its octet.
- This gives a −1 oxidation state to fluorine.
Additional Information
- The oxidation number of all alkali metal ions is always = +1
- The oxidation number of all alkaline earth metal ions is always = +2
- The oxidation number of all boron family metal ions is always = +3
- The oxidation number of chlorine are +1,+3,+5,+7, and -1.
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