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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
\[\ce{HC \underset{\text{Propyne}}{≡ C - }CH3 ->[H2][Pd-C/quinoline] H2C \underset{\text{Propene}}{= CH - CH3}}\]
APPEARS IN
संबंधित प्रश्न
Name the following:
The hydrocarbon said to possess carcinogenic property.
Identify the main product of the reaction:
\[\ce{H - C ≡ C - H + H - O ->[{40%} H2SO4][{1%} HgSO4]}\] _____.
Identify giving reason whether the following compound is aromatic or not.
Identify giving reason whether the following compound is aromatic or not.
Read the following reaction and answer the questions given below:
- Write the name of the reaction.
- Identify the electrophile in it.
- How is this electrophile generated?
is
2 – butyne on chlorination gives ______.
Give IUPAC name for the following compound.
Ethyl isopropyl acetylene
Write short notes on ortho, para directors in aromatic electrophilic substitution reactions.
Suggest a simple chemical test to distinguish propane and propene.
How does Huckel rule help to decide the aromatic character of a compound?
Suggest the route for the preparation of the following from benzene.
4 – chlorotoluene
Suggest the route for the preparation of the following from benzene.
m - dinitro benzene
How will distinguish 1 – butyne and 2 – butyne?
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 ____________.
Which among the following compounds has highest boiling point?
According to Huckel rule, a cyclic π molecular orbital formed by overlap of p orbitals must contain ____________ p electrons.
Which of the following is INCORRECT for aromatic hydrocarbons?
Dow's process is used for the synthesis of an aromatic compound (X). Identify X.
Identify the X and Y in the following reactions.
Read the following reaction and answer the questions given below.
\[\begin{array}{cc}
\phantom{.............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\\
\end{array}\]
- Write IUPAC name of the product.
- State the rule that governs 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 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.
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.
\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\]
- Write IUPAC name of the product.
- State the rule that governs formation of this product.
Which of the following statement is NOТ correct for aromatic compounds?
Identify 'A' in the following reaction.
\[\ce{\underset{}{A + Chloromethane} ->[anhydrous][AlCl3] \underset{\underset{}{}}{2-Chlorotoluene + 4-Chlorotoluene}}\]
