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प्रश्न
The allylic halide, among the following, is ______.
विकल्प
\[\begin{array}{cc}
\phantom{}\ce{R - CH - R}\phantom{}\\
|\phantom{..}\\
\ce{X}\phantom{..}
\end{array}\]CH2 = CH – X
CH2 = CH – CH2 – X
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उत्तर
The allylic halide, among the following is CH2 = CH – CH2 – X.
Explanation:
In allylic halides, halogen atom is bonded to a sp3 hybridized carbon atom next to a carbon-carbon double bond.
| CH2 = CH – CH2 – X |  |
APPEARS IN
संबंधित प्रश्न
\[\ce{CH3 - CH = CH2 ->[HI][Peroxide]}\]
The major product of the above reaction is,
Choose the most correct option.
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Match the pairs.
| Column I | Column II |
| \[\begin{array}{cc} \ce{CH3CH - CH3}\\ |\phantom{.....}\\ \ce{X\phantom{.....}} \end{array}\] |
vinyl halide |
| \[\ce{CH2 = CH - CH2X}\] | alkyl halide |
| \[\ce{CH2 = CH - X}\] | allyl halide |
| benzyl halide | |
| aryl halide |
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\[\ce{A ->[KCN (alcoholic)][\Delta] Propane nitrile +Potassium bromide}\]
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\[\ce{Ethene ->[A] Bromoethane ->[B][\Delta] Ethyl propionate}\]
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Complete the following reaction giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry either] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]
Identify the chiral molecule from the following.
Identify A and B:
\[\ce{C6H5CH2Br ->[Alc.][KCN] A ->[Na/Ethanol] B}\]
Identify the chiral molecule from the following.
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Name the following halide according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:
\[\ce{CH3C(C2H5)2CH2Br}\]
