MCQ
Which of the following statement is correct
- A$(CH_3)_3COH$ is more acidic than $(CH_3)_3SiOH$
- BIn trisilyl phosphine $p\pi -d\pi $ backbonding take place
- CThere are two $d\pi -p\pi $ bonds in a $SO_2$ molecule
- ✓Fraction of $s-$ character in hybrid orbital around the central atom in $H_2SO_4$ molecule is $0.25$

