Questions tagged [halogens]
The halogens tag has no usage guidance.
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Why, out of the main halogens, is bromine the most soluble in water?
Why, out of the main halogens, is bromine $(\ce{Br2})$ the most soluble in water?
Why is there such a drastic decrease for iodine $(\ce{I2})?$
Here is a table from my inorganic chemistry textbook with ...
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Why do diluted sulfuric acid and hydrogen peroxide etch copper only when chloride ions are present?
I've mixed 30 ml 10% sulfuric acid with 20 ml 3% hydrogen peroxide and put a drop of this solution onto copper foil. The solution quickly removed the oxide layer from the copper but did not dissolve ...
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Hydrochloric acid from diaphragm electrolysis
I have a diaphragm electrolysis cell, which is made up of an outer container containing the cathode and a small terra cotta pot containing the anode. If sodium chloride solution is placed in the outer ...
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Reaction of propanoic acid with chlorine used in wastewater treatment
I'm asked in a problem to write down the equation of the reaction of propanoic acid with chlorine used in wastewater treatment: $\ce{CH3-CH2-COOH +Cl2}$. The problem also states that, in this reaction,...
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Why does chlorine show a mesomeric effect in haloarenes and an inductive effect in haloalkanes?
Chlorine shows the +R effect in haloarenes and the -I effect in haloalkanes. Does chlorine do the same for all cyclic compounds or only for aromatic rings? Is this just another experimentally seen ...
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Why is chloride measurment 0 [closed]
In class we did an experiment to measure chloride in different water sources, including a lake. We used Ion-selective electrode of Ag/AgCl technique.
We did the calibration curve and all steps and ...
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Is the electric conductivity of chlorine ions influenced by its oxidation state?
I'm a high school student researching the conductivity of electrolyte solutions. In this excerpt of the CRC Handbook, I noticed that different ions containing chlorine have different limiting molar ...
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Total Chloride Vs Organic/Inorganic Chloride
I am currently running a project to detect chloride level in crude palm oil. On most lab service websites, some offer total chloride detection and others offer organic chloride detection. What are the ...
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How can chlorine be 'only' the third-most electronegative element yet have the highest electron affinity?
From Wikipedia:
It is an extremely reactive element and a strong oxidising agent: among the elements, it has the highest electron affinity and the third-highest electronegativity on the Pauling scale,...
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Are there terms for ions of chlorine other than chloride?
An ion of chlorine with a charge of −1 is called a chloride ion/anion.
Are there terms for other ions of chlorine, for example, $\ce{Cl+}$ or $\ce{Cl^2-}?$
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How to measure chlorine content using ORP sensor?
In my project I need to measure pH, turbidity, and chlorine level of treated drinking water. I found sensors for measuring pH, turbidity, and also chlorine.
The actual problem begins is that the cost ...
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Why do iron objects leave black marks on laminate countertop [closed]
My over 30 years old laminate kitchen countertop had accumulated a lot of marks over the years that no cleaner would remove. I finally gave up and decided to use chlorine bleach on it knowing that ...
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Halogens chemical reactions with each other [closed]
https://en.wikipedia.org/wiki/Halogen
Can Halogens react with each other?
Examples :
Chlorine + Flourine
Flourine + Iodine
Iodine + Bromine
Chlorine + Bromine
and so on.
Permutations and Combinations.
...
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What makes a good chlorinating agent?
From what I know, good inorganic chlorinating agents, $\ce{SOCl2, PCl3, PCl5}$ are able to substitute a poorer leaving group (like $\ce{OH-}$) for chlorine. For example, for substitution of the ...
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Naming and structure of PtCl4.2HCl (complex/coordination compound)
Given that $\ce{PtCl4.2HCl}$ when reacted with excess of $\ce{AgNO3}$ produced zero moles of $\ce{AgCl}$, I understand that all the chlorine atoms are inside the coordination sphere. But what will the ...
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