Which of the following statements is true?

Which of the following statements is true?
  1. Hybridisation of the central atom in $\mathrm{NH}_3$ and is $s p^2$
  2. $\mathrm{BeCl}_2$ has $V$ shape while $\mathrm{SO}_2$ is linear
  3. $\mathrm{SF}_6$ is octahedral and $\mathrm{F}-\mathrm{S}-\mathrm{F}$ bond angle is $90^{\circ}$
  4. $\mathrm{CO}_2$ has dipole moment

Solution

$\mathrm{SF}_6$ is octahedral and $\mathrm{F}-\mathrm{S}-\mathrm{F}$ bond angle is $90^{\circ}$

Asked in: JEE-TOPICTESTS-CHEMISTRY

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