Which of the following alcohols will dehydrate most rapidly?

Which of the following alcohols dehydrates most rapidly?

Dehydration of alcohols occurs fastest in tertiary alcohols, followed by secondary alcohols followed by primary alcohols. Among the given compounds, only compound II is a tertiary alcohol.

Which of the following alcohols would dehydrate?

Complete answer:

Alcohols upon reaction with protic acids, like conc. H2SO4, tends to lose a water molecule and forms alkenes as products. These reactions are termed as dehydration of alcohols.

Which of the following alcohols will dehydrate most rapidly when treated with H2 S o4?

Alcohols will dehydrate most rapidly when treated with conc. H2SO4.

Which alcohol when heated with H2SO4 will undergo dehydration?

The dehydration of ethanol to yield ethene

In this process, ethanol is heated with an excess of concentrated sulfuric acid at a temperature of 170°C. The gases produced are passed through a sodium hydroxide solution to remove the carbon dioxide and sulfur dioxide produced from side reactions.

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Which of the following alcohols reacts most rapidly in acid catalyzed dehydration?

Which one of the following alcohols undergoes dehydration most easily? The reactivity order for dehydration of alcohols is tertiary alcohol > secondary alcohol > primary alcohol. Therefore, the alcohol, CH3 |CH3CH2-C-CH2CH3 | OH is dehydrated most rapidly.

Which of the following alcohols gives 2 Butenc on dehydration Byconc H2SO4?

Answer. 2-butene can be obtained by dehydration of Butane-2-ol by using concentrated H SO . Hence , the option (c) is the correct answer .

Which alcohol is more easily hydrated?

Tertiary forms of alcohol are easiest to dehydrate as the carbocations are more stable and thus easier to form compared to primary and secondary carbocations.

Which alcohol is most easily dehydrated primary secondary?

The alcohol that is dehydrated most easily with conc. H2SO4 is p−CH3OC6H4CH(OH)CH3.

Which one is most easily dehydrated?

a. It is β-keto alcohol, which is easily dehydrated.

Which of the following alcohols will give the most stable carbocation during dehydration?

The tertiary carbocation formed during dehydration of 2-methyl-2-propanol is most stable.

Which will dehydrate at fastest rate by h3po4?

  • SAT.
  • IJSO.

What is dehydration due to alcohol?

Yes, alcohol can dehydrate you. Alcohol is a diuretic. It causes your body to remove fluids from your blood through your renal system, which includes the kidneys, ureters, and bladder, at a much quicker rate than other liquids. If you don’t drink enough water with alcohol, you can become dehydrated quickly.

What happens when an alcohol is heated with h2so4?

Concentrated sulphuric acid produces messy results. Not only is it an acid, but it is also a strong oxidising agent. It oxidises some of the alcohol to carbon dioxide and at the same time is reduced itself to sulphur dioxide. … It also reacts with the alcohol to produce a mass of carbon.

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What is the dehydration of alcohol?

What is Dehydration of Alcohols? Alcohol upon reaction with protic acids tends to lose a molecule of water to form alkenes. These reactions are known as dehydrogenation or dehydration of alcohols. It is an example of an elimination reaction.

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