MCQ
Which of the following substances has giant covalent structure
- AIodine crystal
- BSolid $C{O_2}$
- ✓Silica
- DWhite phosphorus
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Figure $\xrightarrow[{pyridine}]{{C{H_3}COCl}}$ $P$ $\xrightarrow[{C{H_3}COOH}]{{B{r_2}}}Q\,\xrightarrow{{{H_3}{O^ + }}}R$