Chemistry
NULL
Medium
Question
Which of the following statements is incorrect about halogens ?
A
All are non-metals
B
All the halogens have electronic conviguration ns2p5
C
They have high electron attinity and ionization energy
D
All the halogens react with noble gases to form their halides
✓ Official correct answer
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A
All are non-metals
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B
All the halogens have electronic conviguration ns2p5
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C
They have high electron attinity and ionization energy
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D
All the halogens react with noble gases to form their halides
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Explanation
The claim that all halogens react with noble gases to form halides is incorrect — only certain halogens (notably fluorine) form compounds with select noble gases under specific conditions.
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