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This question is about elements in the Periodic Table - OCR Gateway - GCSE Chemistry - Question 16 - 2020 - Paper 1
Question 16
This question is about elements in the Periodic Table. Look at the table. It shows some properties of Group 7 elements. Element Molecular formula State at room t... show full transcript
Worked Solution & Example Answer:This question is about elements in the Periodic Table - OCR Gateway - GCSE Chemistry - Question 16 - 2020 - Paper 1
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There is no reaction between iodine and sodium bromide. Explain why.
Answer
The reason there is no reaction is that iodine is less reactive than bromine. In a displacement reaction, a more reactive halogen displaces a less reactive one. Since iodine cannot displace bromine from sodium bromide, no reaction occurs.
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