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

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प्रश्न

Identify the main product of the reaction:

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

टीपा लिहा
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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.

Aromatic Hydrocarbons
  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 Phenol.


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

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


Name two reagents used for acylation of benzene.


Identify the compound (A) in the following reaction


Which of the following compounds will not undergo Friedal – crafts reaction easily ? (NEET)


Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?


An alkane is obtained by decarboxylation of sodium propionate. Same alkane can be prepared by ______.


2 – butyne on chlorination gives ______.


Write short notes on ortho, para directors in aromatic electrophilic substitution reactions.


How is propyne prepared from an alkylene dihalide ?


Describe the mechanism of Nitration of benzene.


Suggest a simple chemical test to distinguish propane and propene.


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

3 – chloro nitrobenzene


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

4 – chlorotoluene


What happens when Isobutylene is treated with acidified potassium permanganate?


Write the structure of the following alkanes.

5 – (2 – Ethyl butyl) – 3, 3 – dimethyldecane


Complete the following:

\[\begin{array}{cc}
\ce{CH2 - CH2 ->[Zn/C2H5OH]}\\
|\phantom{.......}|\phantom{..............}\\
\ce{Br}\phantom{.....}\ce{Br}\phantom{..............}
\end{array}\]


When acetylene is passed through red hot iron tube at 873 K, ____________ is/are obtained as product/s.


A compound with molecular formula C4H4O has all the four carbon atom and the oxygen atom in the ring. It also has two carbon-carbon double bonds. The compound is ____________.


Phenol on distillation with zinc dust gives ____________.


Which of the following is NOT alicyclic compound?


Sodium benzoate on decarboxylation gives ____________.


Which of the following molecules has shortest C - C bond length?


Identify the X and Y in the following reactions.


Read the following reaction and answer the questions given below.

\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH_3}\phantom{.................................}
\end{array}\]

  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.

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