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

Show how is the following alcohol prepared by the reaction of a suitable Grignard reagent on methanal? CH3 − CH − CH2⁢OH | CH3

Advertisements
Advertisements

प्रश्न

Show how is the following alcohol prepared by the reaction of a suitable Grignard reagent on methanal?

\[\begin{array}{cc}
\ce{CH3 - CH - CH2OH}\\
|\phantom{........}\\
\ce{CH3}\phantom{....}\\
\end{array}\]

रासायनिक समीकरण/संरचनाएँ
Advertisements

उत्तर

\[\begin{array}{cc}
\phantom{...............}\ce{OMgBr}\\
\phantom{......}|\\
\ce{CH3 - CH - MgBr + HCHO -> CH3 - CH - CH2 ->[H2O] CH3 - CH - CH2OH + Mg(OH)Br}\\
|\phantom{....................................................}|\phantom{...................................}|\phantom{..............................}\\
\ce{CH3}\phantom{..............................................}\ce{CH3}\phantom{.............................}\ce{CH3}\phantom{...........................}\\
\end{array}\]

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Alcohols, Phenols and Ethers - Intext Questions [पृष्ठ २०३]

APPEARS IN

एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 7 Alcohols, Phenols and Ethers
Intext Questions | Q 7.4 (i) | पृष्ठ २०३

संबंधित प्रश्न

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


Name the reagents used in the following reactions:


How do you convert the following : Propan-2-ol to 2-methylpropan-2-ol


Write the structures of the main products when acetone (CH3 − CO − CH3) reacts with the following reagents :

CH3MgBr and then H3O+


Name the reagent used in the following reaction:

Dehydration of propan-2-ol to propene.


Show how you would synthesise the following alcohol from an appropriate alkene?


Show how you would synthesise the following alcohol from an appropriate alkene?


Write the structures of A, B and C in the following reactions :

\[{CH}_3 CI \to^{KCN} A \to^{LiAIH} B \to^{{HNO}_2}_{273K} C\]

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

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


Aldehydes react with Grignard reagent to produce ____________.


Ketones react with Grignard reagent to produce ____________.


Aldehydes are reduced to the corresponding alcohols by the addition of hydrogen in the presence of catalysts to form ____________.


Commercially carboxylic acids are reduced to alcohols by converting them to the ______.


Acetone reacts with Grignard reagent to form:


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


When alcohol react with concentrated H2SO4 intermediate compound formed is


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.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×