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Give the Reactions of Ethyne with (A) Hydrogen (B) Water (C) Bromine - Chemistry

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प्रश्न

Give the reactions of ethyne with Hydrogen


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उत्तर

 Hydrogen:

\[\ce{CH ≡ CH + H2 ->[Ni,300°C] CH2 = CH2}\]

\[\ce{CH2 = CH2 + H2 ->[NI] CH3 - CH3}\]

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अध्याय 11.4: Alkynes - Exercise [पृष्ठ २८२]

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फ्रैंक Chemistry Part 2 [English] Class 10 ICSE
अध्याय 11.4 Alkynes
Exercise | Q 9.1 | पृष्ठ २८२

संबंधित प्रश्न

Draw the structural formula for Diethyl ether


Fill in the blank:

Organic compounds are essentially_________compounds. They
show ___________Reaction and their rates are ___________.


Give two chemical tests to distinguish between ethane and ethyne .


Explain the following:
 Ethene and ethyne burn with sooty luminous flame


Write the composition of the following:

 Methylated spirit


A neutral compound'X' of molecular formula C2H60 on oxidation with
acidified potassium dichromate gives a compound 'Y' .Compound 'X' react
with 'Y' on warming in presence of conc.H2S04 to give a sweet smelling
substance 'Z'. What are 'X','Y', and'Z'? Give equations of the reaction
involved.


The first organic compound prepared by Wohler in the laboratory was


Give chemical equation for:

The preparation of ethyne from 1,2 - dibromoethane.


Give the structural formulae of the following:

2-methyl propane


The structures of six organic compounds are shown:

A

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C = C - C - H}\\
|\phantom{.............}|\\
\ce{H}\phantom{............}\ce{H}
\end{array}\]

B

\[\begin{array}{cc}
\phantom{.......}\ce{H}\phantom{.....}\ce{O}\\
\phantom{.......}|\phantom{.....}//\\
\ce{H - C - C}\\
\phantom{......}|\phantom{.....}\backslash\\
\phantom{...........}\ce{H}\phantom{.....}\ce{O - H}
\end{array}\]

C

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{array}\]

D

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H - C - C - H}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{O}\\
\phantom{.......}\backslash\\
\phantom{.........}\ce{H}
\end{array}\]

E

\[\begin{array}{cc}
\ce{H}\\
|\\
\ce{H - C - H}\\
\ce{H}\phantom{....}\phantom{....}\ce{H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H - C - C - C - H}\\
|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}
\end{array}\]

F

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{C = C}\\
|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}
\end{array}\]

  1. Identify two of the compounds that are members of the same homologous series but are not isomers.
  2. Which two compounds are isomers of each other?
  3. F can be prepared from D. Give a chemical equation for the reaction.

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