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What is the action of following on but-2-ene? dil. alkaline KMnO4 - Chemistry

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प्रश्न

What is the action of following on but-2-ene?

dil. alkaline KMnO4

थोडक्यात उत्तर
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उत्तर

The action of dil. alkaline KMnO4 on but-2-ene:

\[\begin{array}{cc}
\ce{\phantom{......................................................}H\phantom{...}H}\\
\phantom{......................................................}|\phantom{....}|\\
\ce{\underset{But-2-ene}{CH3 - CH = CH - CH3} + H - OH + [O] ->[alkaline KMnO4][(Hydroxylation)] CH3 - C - C - CH3}\\
\phantom{......................................................}|\phantom{....}|\\
\ce{\phantom{........................................................}\underset{Butane-2,3-diol}{OH\phantom{.}OH}}
\end{array}\]

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पाठ 15: Hydrocarbons - Exercises [पृष्ठ २६०]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 15 Hydrocarbons
Exercises | Q 2. O. a. | पृष्ठ २६०

संबंधित प्रश्‍न

Write the reaction to convert propene to n-propyl alcohol.


What is the action of following on but-2-ene?

acidic KMnO4


Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\\phantom{...........................}|\\\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\end{array}\]

  1. Write the IUPAC name of the product.
  2. State the rule that governs the formation of this product.

The compound that will react most readily with gaseous bromine has the formula (NEET) ______.


Which among the following alkenes on reductive ozonolysis produces only propanone?


Give IUPAC name for the following compound.

\[\ce{CH3 –CH=CH–CH=CH–C≡C–CH3}\]


Give IUPAC name for the following compound.

\[\begin{array}{cc}\ce{C2H5}\phantom{.}\ce{CH3}\phantom{.......}\\|\phantom{.....}|\phantom{.........}\\
\ce{CH3 - C - C - C ≡ C - CH3}\\
|\phantom{.....}|\phantom{.........}\\
\ce{CH3}\phantom{..}\ce{H}\phantom{.........}
\end{array}\]


An alkyl halide with molecular formula C6H13Br on dehydro halogenation gave two isomeric alkenes X and Y with molecular formula C6H12. On reductive ozonolysis, X and Y gave four compounds CH3COCH3, CH3CHO, CH3CH, CHO and (CH3)2 CHCHO. Find the alkyl halide.


Complete the following:

\[\ce{2 - butyne ->[Lindlar Catalyst]}\]


\[\begin{array}{cc}
\phantom{......................................................}\ce{CH3}\phantom{............}\ce{Br}\phantom{}\\
\phantom{....................................................}|\phantom{.............}/\phantom{}\\
\ce{A + Mg ->[Dry][ether] CH3-Mg-Br + B ->[i. Dry ether][ii. H-OH/H^+] CH3-C-OH + Mg}\\
\phantom{.....................................................}|\phantom{.............}\backslash\phantom{}\\
\phantom{......................................................}\ce{CH3}\phantom{..........}\ce{OH}\phantom{}
\end{array}\]

Thus, 'B' in the above reaction is:


Markownikoff's rule governs the addition of ____________.


\[\ce{A + HBr ->[Peroxide] 1-Bromo-2-methylheptane}\]

Identify A.


Saytzeff's rule states that ____________ product is the major product in dehydrohalogenation of an alkyl halide.


\[\ce{CH3CH2CH = CH2 ->[B2H6][H2O, H2O2, OH^-] X}\]

What is X?


What is the major product formed by HI on reaction with \[\begin{array}{cc}
\ce{CH3}\phantom{....}\\
|\phantom{.......}\\
\ce{CH3-C-CH = CH2}\\
|\phantom{.......}\\
\ce{H3C}\phantom{.........}
\end{array}\]?


Which of the following in Baeyer's reagent?


Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3}\\
\phantom{.....}|\phantom{........................}|\phantom{}\\
\phantom{.................}\ce{CH3}\phantom{..............}\ce{CH3 - CH\ - CH2Br}\phantom{}\
\end{array}\]

a. Write the IUPAC name of the product.

b. State the rule that governs the formation of this product.


What is the action of following on but-2-ene?

dil alkaline KMnO4


Acetone and acetaldehyde are the ozonolysis products of an alkene. Write the structural formula of an alkene and give IUPAC name of it.


Acetone and acetaldehyde are the ozonolysis products of an alkene. Write the structural formula of an alkene and give the IUPAC name of it.


Acetone and acetaldehyde are the ozonolysis products of an alkene. Write the structural formula of an alkene and give IUPAC name of it.


What is the action of following on but-2-ene?

dil alkaline \[\ce{KMnO4}\]


Acetone and acetaldehyde are the ozonolysis products of an alkene. Write the structural formula of an alkene and give IUPAC name of it.


What is the action of following on but-2-ene ? 

dil. alkaline \[\ce{KMnO4}\]


What is the action of following on but-2-ene ? 

dil. alkaline \[\ce{KMnO4}\]


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