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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Identify the compound Y in the following reaction. →273−278KNANOX2+HCl →CuX2 ClY+NX2

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प्रश्न

Identify the compound Y in the following reaction.

विकल्प

MCQ
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उत्तर

Explanation:

When a primary aromatic amine, dissolved or suspended in cold aqueous mineral acid and treated with sodium nitrite, a diazonium salt is formed. When this freshly prepared diazonium salt is mixed with cuprous chloride, diazonium group is replaced by −Cl.

Then chlorobenzene is formed which is Y in this reaction.

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अध्याय 10: Haloalkanes and Haloarenes - Exercises [पृष्ठ १३४]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 10 Haloalkanes and Haloarenes
Exercises | Q I. 3. | पृष्ठ १३४

संबंधित प्रश्न

Draw the structure of the major monohalo product in the following reaction:


Name the following halide according to the IUPAC system and classify it as an alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halide:

o-Br-C6H4CH(CH3)CH2CH3


When two halogen atoms are attached to the same carbon atom then it is:


Which is the correct IUPAC name for \[\begin{array}{cc}
\ce{CH3 - CH - CH2 - Br}\\
\phantom{}|\phantom{.......}\\
\phantom{}\ce{C2H5}\phantom{....}
\end{array}\]?


Match the structures of compounds given in Column I with the classes of compounds given in Column II.

  Column I Column II
(i) \[\begin{array}{cc}
\ce{CH3 - CH - CH3}\\
|\phantom{..}\\
\ce{X}\phantom{..}
\end{array}\]
(a) Aryl halide
(ii) \[\ce{CH2 = CH - CH2 - X}\] (b) Alkyl halide
(iii) (c) Vinyl halide
(iv) \[\ce{CH2 = CH - X}\] (d) Allyl halide

Name the following halides according to the IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

CH3C(C2H5 )2CH2Br


Name the following halide according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halide:

CH3C(Cl)(C2H5)CH2CH3


Name the following halide according to the IUPAC system and classify it as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halide:

CH3C(Cl)(C2H5)CH2CH3


Name the following halide according to the IUPAC system and classify it as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl, or aryl halide:

\[\ce{CH3C(C2H5)2CH2Br}\]


Name the following halide according to the IUPAC system and classify it as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halide:

CH3CH2C(CH3)2CH2I


Write the structure of the following organic halogen compound.

1,4-Dibromobut-2-ene


Name the following halide according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

\[\ce{CH3 CH2 C(CH3)2 CH2I}\]


Name the following halide according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

\[\ce{CH3C(Cl)(C2H5)CH2CH3}\]


Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

\[\ce{CH3CH2C(CH3)2CH2I}\]


Name the following halides according to IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halides:

\[\ce{CH3C(C2H5)2CH2Br}\]


Draw the structure of the major monohalo product in the following reaction:


Which of the following are secondary bromides?


Ethylidene chloride is a/an ______.


The given compound

 

is an example of__________.


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