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Hydrochloric acid (HCl) is added to the solution during the estimation of phenol to convert phenol into its corresponding chloride salt, which is easier to separate and quantify. This reaction helps in the extraction and analysis of phenol from the sample.

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What happens when sodium phenoxide is reacted with CO2 and HCl?

When sodium phenoxide is reacted with CO2 and HCl, the phenoxide anion is protonated by HCl to form phenol. The phenol then reacts with CO2 to form salicylic acid.


What will happen to the color of sodium bicarbonate if phenol red is add?

If phenol red is added to sodium bicarbonate, the color of the solution will change based on the pH. In an acidic solution, phenol red will appear yellow, in a neutral solution it will be red, and in an alkaline solution (such as when sodium bicarbonate is added), it will turn a pink or magenta color.


Does para amino phenol react with hydrochloric acid?

Para amino phenol can react with hydrochloric acid to form para-aminophenol hydrochloride salt. This reaction involves the protonation of the amino group on the para amino phenol molecule by the hydrochloric acid.


Why you add HCl in Estimation of nickel using DMG?

Hydrochloric acid (HCl) is added in the estimation of nickel using dimethylglyoxime (DMG) to facilitate the formation of nickel dimethylglyoxime complex. This complex is insoluble in water and precipitates out of solution, allowing for easy separation by filtration. It also helps to ensure that all nickel ions are converted to the complex for accurate determination.


What is the formula of sodium phenoxide and hydrochloric acid?

The formula of sodium phenoxide is NaC6H5O, and the formula of hydrochloric acid is HCl. When sodium phenoxide reacts with hydrochloric acid, it forms phenol (C6H5OH) and sodium chloride (NaCl).

Related Questions

What happens when sodium phenoxide is reacted with CO2 and HCl?

When sodium phenoxide is reacted with CO2 and HCl, the phenoxide anion is protonated by HCl to form phenol. The phenol then reacts with CO2 to form salicylic acid.


Why hcl is used in Hb estimation?

HCl (hydrochloric acid) is used in the estimation of hemoglobin (Hb) because it helps to release hemoglobin from red blood cells, making it more accessible for measurement. It also helps to remove other interfering substances, ensuring a more accurate estimation of hemoglobin levels.


What is front end estimation?

Front end estimation- An estimation method in which the front digits are added or subtracted


What happens when water is added to phenol?

tribromophenol is formed.


What happened when impurity is added in phenol water system?

the critical solution temperature for phenol water system increases


How to convert aniline to picric acid?

React aniline with HCl/NaNO2 (diazotisation) followed by reaction with KOH to give phenol. Nitration of phenol with fuming nitric acid gives picric acid (or trinitrophenol).


What happens when bromine water is added to phenol?

tribromophenol is formed.


What happens to an elodea leaf when added a phenol red solution?

When an Elodea leaf is added to a phenol red solution, the leaf will release oxygen through photosynthesis. The oxygen will cause the phenol red solution to change color, indicating the presence of oxygen production.


What has the author Stewart Joseph Lloyd written?

Stewart Joseph Lloyd has written: 'The determination of phenol and the detection, estimation, and rate of formation of tribromphenolbrom'


What happens to the equilibrium when hcl is dissolved in water?

When Dilute HCL is added to water a more diluted solution of HCl is made.


What will happen to the color of sodium bicarbonate if phenol red is add?

If phenol red is added to sodium bicarbonate, the color of the solution will change based on the pH. In an acidic solution, phenol red will appear yellow, in a neutral solution it will be red, and in an alkaline solution (such as when sodium bicarbonate is added), it will turn a pink or magenta color.


Does para amino phenol react with hydrochloric acid?

Para amino phenol can react with hydrochloric acid to form para-aminophenol hydrochloride salt. This reaction involves the protonation of the amino group on the para amino phenol molecule by the hydrochloric acid.