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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:

(CH3)2CHCH(Cl)CH3


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

CH3CH = CHC(Br)(CH3)2


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

p-ClC6H4CH2CH(CH3)2


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

m-ClCH2C6H4CH2C(CH3)3


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


Draw the structure of major monohalo product in each of the following reactions :


What should be the correct IUPAC name for diethylbromomethane?


Which of the carbon atoms present in the molecule given below are asymmetric?

\[\begin{array}{cc}
\phantom{}\ce{HO}\phantom{.....}\ce{OH}\phantom{..}\ce{H}\phantom{.....}\ce{O}\phantom{..}\\
\phantom{..}\backslash\phantom{.....}|\phantom{....}|\phantom{.....}//\phantom{.}\\
\ce{\overset{a}{C} - \overset{b}{C} - \overset{c}{C} - \overset{d}{C}}\\
\phantom{..}//\phantom{.....}|\phantom{....}|\phantom{....}\phantom{.}\backslash\phantom{...}\\
\phantom{}\ce{O}\phantom{......}\ce{H}\phantom{...}\ce{OH}\phantom{...}\ce{H}\phantom{}\\
\end{array}\]


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2-Bromo-2-methylpropane


Why can aryl halides not be prepared by reaction of phenol with \[\ce{HCl}\] in the presence of \[\ce{ZnCl2}\]?


Which of the following belongs to the class of vinyl halides?


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\[\ce{CH2CH2C(CH3)2CH2I}\]


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1,4-Dibromobut-2-ene


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

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

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


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


The given compound

 

is an example of__________.


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