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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Identify the main product of the reaction: 40% 1% H−C ≡ C−H+H−O→1% HgSOA440% HA2SOA4 _____.

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प्रश्न

Identify the main product of the reaction:

\[\ce{H - C ≡ C - H + H - O ->[{40%} H2SO4][{1%} HgSO4]}\] _____.

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उत्तर

Alkynes react with water in the presence of 40% sulphuric acid and 1% mercuric sulphate to form aldehydes or ketones i.e. carbonyl compounds.

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Notes

In the textbook question is wrong.

  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 15: Hydrocarbons - Exercises [पृष्ठ २६०]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 15 Hydrocarbons
Exercises | Q 3. d. | पृष्ठ २६०

संबंधित प्रश्‍न

Write the balanced chemical reaction to get benzene from Sodium benzoate.


Identify the main product of the reaction.

\[\begin{array}{cc}
\ce{CH3 - CH - CH3 ->[{60%}H2SO4][373 K]}\\
|\phantom{............}\\\ce{OH}\phantom{..........}
\end{array}\] _______.


Identify A, B, C in the following reaction sequence:

\[\ce{CH3 - CH = CH2 ->[Br2/CCl4][room temperature] A ->[Zn] B ->[dil. alkaline][KMnO4] C}\]


Identify giving reason whether the following compound is aromatic or not.


Identify giving reason whether the following compound is aromatic or not.


Consider the nitration of benzene using mixed con H2SO4 and HNO3 if a large quantity of KHSO4 is added to the mixture, the rate of nitration will be ______.


Which one of the following is non aromatic?


How is propyne prepared from an alkylene dihalide ?


Write the chemical equations for combustion of propane.


Suggest the route for the preparation of the following from benzene.

Bromo benzene


What happens when Isobutylene is treated with acidified potassium permanganate?


How will you convert ethyl chloride into ethane?


Phenol on distillation with zinc dust gives ____________.


According to Huckel rule, a cyclic π molecular orbital formed by overlap of p orbitals must contain ____________ p electrons.


The alkane formed on heating sodium butanoate with sodalime is ______.


Sodium benzoate on decarboxylation gives ____________.


α-butylene when subjected to hydroboration oxidation reaction, yields ____________.


Which of the following reagents can bring about following conversion?

\[\ce{But-1-ene -> Butan-2-ol}\]


Which of the following compounds on bromination yields ?


Identify the X and Y in the following reactions.


Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr->[Benzoyl][peroxide] H3C - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]

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

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.

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

Which of the following statement is NOТ correct for aromatic compounds?


Which of the following is most stable?


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