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प्रश्न
What is the action of H2 on elements of group 17?
टिप्पणी लिखिए
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उत्तर
The elements of group 17 react with hydrogen to give hydrogen halides
\[\ce{H2 + X2 -> 2H-X}\]
e.g. \[\ce{H2 + Br2 -> 2HBr}\]
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Chemical Properties of Elements of Groups 16, 17 and 18
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