Q14 / 120 · VITEEE 2012 · Chemistry

Which of the following species is not electrophilic in nature?

  • A
    $\stackrel{\oplus}{\mathrm{Cl}}$
  • B
    $\mathrm{BH}_{3}$
  • Correct answer
    C
    $\mathrm{H}_{3} \mathrm{O}$
  • D
    $\stackrel{\oplus}{\mathrm{NO}_{2}}$

Solution

Electron deficient species are known as electrophiles. Among the given, $\mathrm{H}_{3} \mathrm{O}^{\oplus}$ has lone pair of electrons for donation, so it is not electron deficient and hence, not an electrophile.

Hence, the correct answer is option: 'C'.

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