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NVAMediumJEE Main 2025 · 23 January, Shift 2Diazonium Salts & Reactions

Chemistry Question from JEE Main 2025 · 23 January, Shift 2

Consider the following sequence of reactions:

4-ethoxyaniline →0–5∘CNaNO2, HCl [A] →(ii) HCl (dil.)(i) phenol, NaOH [B] →(ii) H3CCH2Br(i) NaOH [C]\text{4-ethoxyaniline} \ \xrightarrow[0\text{--}5^\circ \text{C}]{\text{NaNO}_2,\ \text{HCl}} \ [A] \ \xrightarrow[\text{(ii) HCl (dil.)}]{\text{(i) phenol, NaOH}} \ [B] \ \xrightarrow[\text{(ii) } \text{H}_3\text{CCH}_2\text{Br}]{\text{(i) NaOH}} \ [C]

The molecular formula of [B] is C14H14N2O2\text{C}_{14}\text{H}_{14}\text{N}_2\text{O}_2 and the molecular formula of [C] is C16H18N2O2\text{C}_{16}\text{H}_{18}\text{N}_2\text{O}_2.

The total number of sp3^3 hybridised carbon atoms in the major product [C] is _____.

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