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प्रश्न
Identify the main product of the reaction:
\[\ce{HC ≡ C - CH3 ->[H2][Pd-C/quinoline]}\] _______.
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उत्तर
\[\ce{HC \underset{\text{Propyne}}{≡ C - }CH3 ->[H2][Pd-C/quinoline] H2C \underset{\text{Propene}}{= CH - CH3}}\]
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संबंधित प्रश्न
Write the balanced chemical reaction to get benzene from Sodium benzoate.
Predict the possible product of the following reaction.
Chlorination of nitrobenzene
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 giving reason whether the following compound is aromatic or not.

Name two reagents used for acylation of benzene.
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?
Which of the following can be used as the halide component for friedal - crafts reaction?
Which of the following is aliphatic saturated hydrocarbon?
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.
Write the chemical equations for combustion of propane.
What happens when Isobutylene is treated with acidified potassium permanganate?
How will you prepare propane from a sodium salt of fatty acid?

Identify A and B.
How will distinguish 1 – butyne and 2 – butyne?
Which of the following is an aromatic compound?
When acetylene is passed through red hot iron tube at 873 K, ____________ is/are obtained as product/s.
−Cl group is ____________.
According to Huckel rule, a cyclic π molecular orbital formed by overlap of p orbitals must contain ____________ p electrons.
Dow's process is used for the synthesis of an aromatic compound (X). Identify X.
Which of the following compounds is NOT obtained in thermal decomposition of propane in absence of air?
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr->[Benzoyl][peroxide] H3C - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
- Write the IUPAC name of the product.
- State the rule that governs the formation of this product.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\]
- Write IUPAC name of the product.
- State the rule that governs formation of this product.
