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

Show how will you synthesize pentan-1-ol using a suitable alkyl halide. - Chemistry

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प्रश्न

Show how will you synthesize pentan-1-ol using a suitable alkyl halide.

रासायनिक समीकरणे/रचना
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उत्तर

Hydrolysis of 1-bromopentane by aqueous NaOH gives pentan-1-ol.

\[\ce{\underset{1-bromopentane}{CH3 - CH2 - CH2 - CH2 - CH2 - Br} + NaOH ->[\Delta][S_{N}2 Hydrolysis ] \underset{pentan-1-ol}{CH3CH2CH2CH2 - CH2 - OH} + NaBr}\]

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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 (iii) | पृष्ठ २२३

संबंधित प्रश्‍न

Write the final product(s) in each of the following reactions:


Give reasons for the following:

o-nitrophenol is more acidic than o-methoxyphenol.


Give the equation of the following reaction:

Oxidation of propan-1-ol with alkaline KMnO4 solution.


Give the equation of the following reaction: 

Dilute HNO3 with phenol.


Name the reagent used in the following reaction:

Oxidation of a primary alcohol to carboxylic acid.


Name the reagent used in the following reaction:

Benzyl alcohol to benzoic acid.


Lucas reagent is ____________.


The compound which reacts fastest with Lucas reagent at room temperature is:


In the reduction \[\ce{R - CHO + H2 -> RCH2OH}\] the catalyst used is:


By which of the following methods alcohol can be prepared in excellent yield?


Lucas test is done to differentiate between ____________.


Which one of the following on oxidation gives a ketone?


The compound which gives the most stable carbonium ion on dehydration is:


Cyclohexene is best prepared from cyclohexanol by which of the following:


Alcohols react with active metals e.g. Na, K etc. to give corresponding alkoxides. Write down the decreasing order of reactivity of sodium metal towards primary, secondary and tertiary alcohols.


Why is the C – O – H bond angle in alcohols slightly less than the tetrahedral angle whereas the C – O – C bond angle in ether is slightly greater?


Which of the following observation is shown by 2-phenyl ethanol with Lucas Reagent?


Write the mechanism of acid dehydration of ethanol to yield ethene.


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