MCQ
The number of species from the following in which the central atom uses $\mathrm{sp}^3$ hybrid orbitals in its bonding is_______.

$\mathrm{NH}_3, \mathrm{SO}_2, \mathrm{SiO}_2, \mathrm{BeCl}_2, \mathrm{CO}_2, \mathrm{H}_2 \mathrm{O}, \mathrm{CH}_4, \mathrm{BF}_3$

  • $4$
  • B
    $10$
  • C
    $15$
  • D
    $5$

Answer

Correct option: A.
$4$
a
$\mathrm{NH}_3 \rightarrow \mathrm{sp}^3$

$\mathrm{SO}_2 \rightarrow \mathrm{sp}^2$

$\mathrm{SiO}_2 \rightarrow \mathrm{sp}^3$

$\mathrm{BeCl}_2 \rightarrow \mathrm{sp}$

$\mathrm{CO}_2 \rightarrow \mathrm{sp}$

$\mathrm{H}_2 \mathrm{O} \rightarrow \mathrm{sp}^3$

$\mathrm{CH}_4 \rightarrow \mathrm{sp}^3$

$\mathrm{BF}_3 \rightarrow \mathrm{sp}^2$

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