MCQ
The incorrect order of bond angle would be
- A$BeF_3^-= BF_3 = CH_3^+$
- B$CH_4 = SiCl_4 = BF_4^-$
- C$XeF_2 > CCl_4 > H_2O$
- ✓$PH_3 > PCl_3$
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($A$) tetranuclear $\left[\mathrm{B}_4 \mathrm{O}_5(\mathrm{OH})_4\right]^{2-}$ unit
($B$) all boron atoms in the same plane
($C$) equal number of $s p^2$ and $s p^3$ hybridized boron atoms
($D$) one terminal hydroxide per boron atom
Given : Mass of electrons $=9.1 \times 10^{-31}\, \mathrm{~kg}$
Charge on an electron $=1.6 \times 10^{-19}\, \mathrm{C}$
Planck's constant $=6.63 \times 10^{-34\,} \mathrm{Js}$
