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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Show how will you synthesize 1-phenylethanol from a suitable alkene.

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प्रश्न

Show how will you synthesize 1-phenylethanol from a suitable alkene.

अति संक्षिप्त उत्तर
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उत्तर

By acid-catalysed hydration of ethylbenzene (styrene), 1-phenylethanol can be synthesised.

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पाठ 7: Alcohols, Phenols and Ethers - Exercises [पृष्ठ २२३]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 7 Alcohols, Phenols and Ethers
Exercises | Q 7.13 (i) | पृष्ठ २२३

संबंधित प्रश्‍न

Name the reagents used in the following reactions:


Predict the major product of acid catalysed dehydration of butan-1-ol.


What is meant by hydroboration-oxidation reaction? Illustrate it with an example.


How will you convert: Phenol to 2, 4, 6 − trinitrophenol?


Write the structure of main compounds A and B in the following reaction:

\[\ce{CH3CH2CN->[CH3MgBRH/3O+]A->[LiAIH4]B}\]


Alkenes convert into alcohols by ____________.


Acetone reacts with Grignard reagent to form:


How can propan-2-one be converted into tert- butyl alcohol?


Why is the reactivity of all the three classes of alcohols with conc. \[\ce{HCl}\] and \[\ce{ZnCl2}\] (Lucas reagent) different?


Magnesium wire continues to burn in the atmosphere of CO2 because


Most readily hydrolysed halide is:-


The major product of acid catalysed dehydration of 1-methylcyclohexanol is ______.


To synthesise 1.0 mole of 2-methylpropan-2-ol from Ethylethanoate ______ equivalents of CH3MgBr reagent will be required. (Integer value)


The products "A" and "B" formed in above reactions are:


An aldehyde isomeric with allyl alcohol gives phenyl hydrazone. Pick out a ketone that too gives a phenyl hydrazone containing the same percentage of nitrogen.


\[\ce{C3H8O ->[{[O]}][K2Cr2O7/H2SO4] C3H6O ->[I2 + NaOH(aq.)] CHI3}\]

In this reaction the first compound is:


\[\ce{? ->[\Delta, CN-][EtOH, H2O]}\] Benzoin.

The reactant is obtained by dry distillation of the calcium salts of the following pairs:


Given below are two statements:

Statement I: On heating with KHSO4, glycerol is dehydrated and acrolein is formed.

Statement II: Acrolein has a fruity odour and can be used to test glycerol's presence.

Choose the correct option.


Ceric aminonium nitrate and CHCl3/alc. KOH are used for the identification of functional groups present in ______ and ______ respectively.


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