Identify substrate ' $\mathrm{A}$ ' in the following conversion. $\mathrm{A}+\underset{\text { (excess)…

Identify substrate ' $\mathrm{A}$ ' in the following conversion. $\mathrm{A}+\underset{\text { (excess) }}{\mathrm{CH}_3 \mathrm{I}} \stackrel{\Delta}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_5\left(\mathrm{CH}_3\right)_3 \stackrel{+}{\mathrm{N} \mathrm{I}^{-}}$
  1. $\mathrm{C}_2 \mathrm{H}_5 \mathrm{NO}_2$
  2. $\mathrm{C}_2 \mathrm{H}_5 \mathrm{CN}$
  3. $\mathrm{C}_2 \mathrm{H}_5 \mathrm{NH}_2$
  4. $\mathrm{CH}_3 \mathrm{CONH}_2$

Solution

$\mathrm{C}_2 \mathrm{H}_5 \mathrm{NH}_2+\underset{\text { (excess) }}{\mathrm{CH}_3 \mathrm{I}} \stackrel{\Delta}{\longrightarrow} \underset{\text { Tetraalkylammonium iodide }}{\mathrm{C}_2 \mathrm{H}_5\left(\mathrm{CH}_3\right)_3 \mathrm{NI}^{-}}$ The reaction is known as exhaustive alkylation of amines.

Asked in: MHT CET 2023 (13 May Shift 1)

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