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bromine test for unsaturation (1 Viewer)

bonquiqui

New Member
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Dec 28, 2016
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HSC
2018
what exactly is the chemical formula for bromine water, as far as the hsc is concerned?

bc a number of textbooks/sample answers/other sources denote bromine water as Br2(aq) which is an orange/brown solution, however my teacher says it's BrOH(aq), a pale yellow solution, and that if we don't use the latter option in relevant equations, we'll be marked down in the hsc ?????

help pl0x
 

captainhelium

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Both are accepted for the HSC exam. However, scientifically, BrOH(aq) is actually the correct formula.

In terms of school assessments, use what your teacher wants you to use since he/she is going to mark your exams.

In terms of the HSC, use whatever you want. Personally, I used Br2 (aq).
 
Last edited:

yellowmelon

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Dec 9, 2017
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I've heard that H-Br is also an accepted formula :) You can talk about this one being a strong acid in your safety/precautions section too.
 

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