Match List-I with List-II and select the correct option: 
The bond angles \( b_1, b_2, b_3 \) in the above structure are respectively in \( ^\circ \):

Draw the Lewis structures for the following molecules and ions: \(H_2S\), \(SiCl_4\), \(BeF_2\), \(CO_3^{2-}\) , \(HCOOH\)
| λ (nm) | 500 | 450 | 400 |
|---|---|---|---|
| v × 10–5(cm s–1) | 2.55 | 4.35 | 5.35 |