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Interhalogen Compounds - Chemical Properties

23. Explain t...

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23. Explain the mechanism of coupling reaction between diazonium ion and beta napthol

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Q. In coupling reactions, diazonium ion acts as:

Q. Coupling of benzene diazonium chloride with 1–naphthol in alkaline medium will give:

Q. Diazonium salt of which of the following will give coloured dye on reaction with

β - Naphthol

in acidic medium & NaOH:

Q. Assertion :Aniline on reaction with

{N a N O}_{2} / H C l

0^{o} C

followed by coupling with

β

naphthol gives a dark blue coloured precipitate. Reason: The colour of the compound formed in the reaction of aniline with

{N a N O}_{2} / H C l

0^{o} C

followed by coupling with

β

naphthol is due to extended conjugation.

Q. The increasing order of reactivity of these diazonium ions in azo-coupling reaction (under similar conditions) will be:

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Interhalogen Compounds - Chemical Properties

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