MCQ
Which of the following is acidic
- ✓$S{O_3}$
- B${N_2}O$
- C$BeO$
- D$HgO$
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$(a)$ $R_2SiO$ is repeating unit of linear silicones
$(b)$ $RSiCl_3$ on hydrolysis followed by dehydration gives linear silicones
$(c)$ Silicones can be used as heat insulator
$(d)$ Silica is soluble in $HF$
The correct statement$(s)$ is/are
| $List-I$ | $List-II$ |
| ($P$) $XeF _2$ | ($1$) Trigonal bipyramidal and two lone pair of electrons |
| ($Q$) $XeF _4$ | ($2$) Tetrahedral and one lone pair of electrons |
| ($R$) $XeO _3$ | ($3$) Octahedral and two lone pair of electrons |
| ($S$) $XeO _3 F _2$ | ($4$) Trigonal bipyramidal and no lone pair of electrons |
| ($5$) Trigonal bipyramidal and three lone pair of electrons |