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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.

पर्याय

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

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

संबंधित प्रश्‍न

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


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, benzoyl (primary, secondary, tertiary), vinyl or aryl halide:

CH3CH2C(CH3)2CH2I


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

(CH3)3CCH2CH(Br)C6H5


Name the following halide according to the IUPAC system and classify it as an alkyl, allyl, benzoyl (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 :


m-Xylene reacts with Br2 in presence of FeBr3, what are products formed:


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

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


Haloalkanes contain halogen atom (s) attached to the sp3 hybridised carbon atom of an alkyl group. Identify haloalkane from the following compounds.

(i) 2-Bromopentane

(ii) Vinyl chloride (chloroethene)

(iii) 2-chloroacetophenone

(iv) Trichloromethane


Classify the following compound as a primary, secondary and tertiary halide.

4-Bromopent-2-ene


Why are haloalkanes more reactive towards nucleophilic substitution reactions than haloarenes and vinylic halides?


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

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


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 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:

  CH3C(Cl)(C2H5 )CH2CH3


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

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


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

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


Give the IUPAC name of the compound.

\[\ce{CICH2 C ≡ CCH2 Br}\]


Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane


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