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Aniline in a set of the following reactions yielded a coloured product ' $\mathrm{Y}$.
$$
\text { The structure of ' } Y \text { ' would be }
$$
Options:
$$
\text { The structure of ' } Y \text { ' would be }
$$
- A
- B
- C
- D None of these
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The correct answer is:
Key Idea $\mathrm{NaNO}_2 / \mathrm{HCl}$ causes diazotisation of $-\mathrm{NH}_2$ group and the diazonium chloride gives a coupling product with active aryl nucleus.
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