Questions tagged [chlorine]

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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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27 views

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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57 views

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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15 views

Creating a 10% saturated sodium triphosphate and 2.7% sodium hypochlorite solution for tomato seed sterilization [duplicate]

For tomato seed extraction/sterilization a standard procedure involves the treatment of tomato seed pulp with 6M HCl for 15 min and then one of the two following: 15 min in 10% saturated sodium ...
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1answer
66 views

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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2answers
53 views

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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37 views

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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3answers
155 views

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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1answer
65 views

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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2answers
168 views

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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27 views

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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1answer
55 views

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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67 views

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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1answer
801 views

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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1answer
45 views

ClO2 chlorine dioxide how to know if it is still active or not ? by color ? by smell ? by reaction?

my wife have ClO2 tablet form. she dilutes it to be put inside mister. each time she make the dilution: package instruction: 1 tablet to 1 liter water => 100ppm ClO2 *we name this 100ppm as "...
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1answer
104 views

Creating a chemical solution with water and chlorine

I bought a swimming pool for my kids and also a measurement instrument for measuring the amount of chlorid in the pool in mg/l. The problem is now that you have to calibrate the instrument before ...
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2answers
1k views

Production of hypoclorous acid by salt water electrolysis: requesting tips [closed]

I wish to use commonly available perfume ultrasonic nebulizers/diffusers to "fog" my working environment with hypoclorous acid, to obtain full coverage (ish) disinfection, albeit slowly. I also wish ...
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1answer
46 views

Nickel salts from hypochlorites

(JUST A HEADS UP I’m 15 years old and new to chemistry) So I was recently looking around the house looking for products that I can extract chemicals from and I found a bottle of cleaning Vinegar ( 5% ...
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1answer
432 views

What is the substance turning salty water green when electrolysed? [duplicate]

I am a student and I take O.L. Chemistry, in my knowledge I know if I electrolysed concentrated aqueous NaCl solution I should get Hydrogen evolved at the cathode and chlorine at the anode. I did an ...
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94 views

Could the Superoxide Radical Anion Be Responsible for the Removal of Chlorine Dioxide Used to Treat Natural Waters?

Some background facts: $\ce{ClO_2}$ is a gas that is highly soluble in water (some 8 g/L at 20 °C). However, per Wikipedia , to quote: It does not hydrolyze when it enters water, and is usually ...