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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
Predict the possible product of the following reaction.
sulphonation of chlorobenzene
Identify giving reason whether the following compound is aromatic or not.

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

Identify the compound (A) in the following reaction

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 ______.
is
Which one of the following is non aromatic?
Which of the following compounds will not undergo Friedal – crafts reaction easily ? (NEET)
2 – butyne on chlorination gives ______.
Give IUPAC name for the following compound.
\[\ce{CH ≡ C – C ≡ C – C ≡ CH}\]
Write short notes on ortho, para directors in aromatic electrophilic substitution reactions.
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
Write the structure of the following alkanes.
5 – (1, 2 – Dimethyl propyl) – 2 – methylnonane

Identify A and B.
Which of the following is NOT a hetero-aromatic compound?
Which among the following compounds has highest boiling point?
Which of the following is INCORRECT for aromatic hydrocarbons?
The alkane formed on heating sodium butanoate with sodalime is ______.
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Which of the following molecules has shortest C - C bond length?
Which of the following compounds on bromination yields
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Identify the X and Y in the following reactions.

Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[Benzoyl][peroxide] H3C - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
- 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 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.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH_3}\phantom{.................................}
\end{array}\]
- 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.
