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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________

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प्रश्न

Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________

पर्याय

  • primary alcohol

  • secondary alcohol

  • tertiary alcohol

  • optically active alcohol

MCQ
रिकाम्या जागा भरा
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उत्तर

Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of secondary alcohol

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पाठ 11: Alcohols, Phenols and Ethers - Multiple choice questions

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संबंधित प्रश्‍न

Write the reaction to get aspirin from salicylic acid.


Draw intramolecular hydrogen bonding structure in o-nitrophenol.


An unknown alcohol is treated with Lucas reagent. Explain how you will determine whether the alcohol is primary, secondary or tertiary. Indicate by chemical equation the reaction between isopropyl alcohol and Lucas reagent.


Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.


Phenol is obtained from cumene ____________.


Sodium metal with ethyl alcohol gives __________ gas.


Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.


Cumene is used in the commercial method for the manufacture of ____________.


The product 'C' in the following reaction is:

\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]


Carbolic acid is oxidised by acidified sodium dichromate to give ______.


In Raschig's method for synthesis of phenol, the reactants used are ____________.


Identify 'Z' in the following series of reaction:

\[\ce{Butan - 2 - ol ->[PCl3] X ->[alco. KOH] Y ->[i) H2SO4][ii) H-OH/heat] Z}\]


Identify the product obtained when phenol is treated with bromine water?


Name the catalyst used in commercial method of preparation of phenol.


Product (B) in this reaction is:


Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?


Which among the following is not the method of preparation of phenol?


The product C in the following reaction is


The chemical test that distinguish between benzoic acid and phenol is ______.


Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.


Write chemical reaction when hot copper is treated with Vapours of 3° (tertiary) alcohol.


Explain: Phenols are acid while alcohol is neutral.


What is the commercial method of preparation of phenol?


The structure of A in the given reaction is:


What is the name of isopropyl alcohol according to the carbinol system?


Which of the following is trihydric phenol?


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